99900 - Disclosure - Standard And Custom Axis Domain Defaults link:presentationLink link:calculationLink link:definitionLink 995200100 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 995200200 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 995200400 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 99940301 - Disclosure - PREPAYMENTS AND OTHER CURRENT ASSETS (Details) link:presentationLink link:calculationLink link:definitionLink 99940401 - Disclosure - PROPERTY, EQUIPMENT AND SOFTWARE, NET (Details) link:presentationLink link:calculationLink link:definitionLink 99940501 - Disclosure - ACCRUALS AND OTHER CURRENT LIABILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 99940601 - Disclosure - BORROWINGS - Components (Details) link:presentationLink link:calculationLink link:definitionLink 99940604 - Disclosure - BORROWINGS - Future maturities of short term borrowings and long term borrowings (Details) link:presentationLink link:calculationLink link:definitionLink 99940702 - Disclosure - SEGMENT INFORMATION - Research and development (Details) link:presentationLink link:calculationLink link:definitionLink 99941202 - Disclosure - INCOME TAX EXPENSE - Income (loss) from domestic and foreign components (Details) link:presentationLink link:calculationLink link:definitionLink 99941203 - Disclosure - INCOME TAX EXPENSE - Income tax expense (benefit) (Details) link:presentationLink link:calculationLink link:definitionLink 99941204 - Disclosure - INCOME TAX EXPENSE - Income tax reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 99941205 - Disclosure - INCOME TAX EXPENSE - Deferred tax assets and deferred tax liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 41404 - Disclosure - LEASES - Maturities of lease liabilities (Details) Calc 2 link:presentationLink link:calculationLink link:definitionLink 99941502 - Disclosure - LEASES - Information related to operating lease activity (Details) link:presentationLink link:calculationLink link:definitionLink 99941503 - Disclosure - LEASES - Maturities of lease liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 995200090 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 995200105 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 995200205 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 995200300 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 99940101 - Disclosure - ORGANIZATION AND BASIS OF PRESENTATION (Details) link:presentationLink link:calculationLink link:definitionLink 99940202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property, equipment and software (Details) link:presentationLink link:calculationLink link:definitionLink 99940204 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration of credit risk (Details) link:presentationLink link:calculationLink link:definitionLink 99940602 - Disclosure - BORROWINGS - Short term borrowings (Details) link:presentationLink link:calculationLink link:definitionLink 99940603 - Disclosure - BORROWINGS - Long term borrowings (Details) link:presentationLink link:calculationLink link:definitionLink 99940901 - Disclosure - SHARE-BASED COMPENSATION (Details) link:presentationLink link:calculationLink link:definitionLink 99940905 - Disclosure - SHARE-BASED COMPENSATION - RSU Activity - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 99940907 - Disclosure - SHARE-BASED COMPENSATION - Share based compensation expenses (Details) link:presentationLink link:calculationLink link:definitionLink 99941001 - Disclosure - WARRANT LIABILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 99941003 - Disclosure - WARRANT LIABILITIES - Significant unobservable inputs (Details) link:presentationLink link:calculationLink link:definitionLink 99941101 - Disclosure - COLLABORATION ARRANGEMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 99941201 - Disclosure - INCOME TAX EXPENSE (Details) link:presentationLink link:calculationLink link:definitionLink 99941302 - Disclosure - NET LOSS PER SHARE - Anti-dilutive Securities (Details) link:presentationLink link:calculationLink link:definitionLink 99941401 - Disclosure - RELATED PARTY TRANSACTIONS (Details) link:presentationLink link:calculationLink link:definitionLink 99941801 - Disclosure - TREASURY SHARES (Details) link:presentationLink link:calculationLink link:definitionLink 99941901 - Disclosure - ATM OFFERING (Details) link:presentationLink link:calculationLink link:definitionLink 995210101 - Disclosure - ORGANIZATION AND BASIS OF PRESENTATION link:presentationLink link:calculationLink link:definitionLink 995210201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 995210301 - Disclosure - PREPAYMENTS AND OTHER CURRENT ASSETS link:presentationLink link:calculationLink link:definitionLink 995210401 - Disclosure - PROPERTY, EQUIPMENT AND SOFTWARE, NET link:presentationLink link:calculationLink link:definitionLink 995210501 - Disclosure - ACCRUALS AND OTHER CURRENT LIABILITIES link:presentationLink link:calculationLink link:definitionLink 995210601 - Disclosure - BORROWINGS link:presentationLink link:calculationLink link:definitionLink 995210701 - Disclosure - SEGMENT INFORMATION link:presentationLink link:calculationLink link:definitionLink 995210801 - Disclosure - CONTINGENTLY REDEEMABLE CONVERTIBLE PREFERRED SHARES link:presentationLink link:calculationLink link:definitionLink 995210901 - Disclosure - SHARE-BASED COMPENSATION link:presentationLink link:calculationLink link:definitionLink 995211001 - Disclosure - WARRANT LIABILITIES link:presentationLink link:calculationLink link:definitionLink 995211101 - Disclosure - COLLABORATION ARRANGEMENTS link:presentationLink link:calculationLink link:definitionLink 995211201 - Disclosure - INCOME TAX EXPENSE link:presentationLink link:calculationLink link:definitionLink 995211301 - Disclosure - NET LOSS PER SHARE link:presentationLink link:calculationLink link:definitionLink 995211401 - Disclosure - RELATED PARTY TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 995211501 - Disclosure - LEASES link:presentationLink link:calculationLink link:definitionLink 995211601 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 995211701 - Disclosure - RESTRICTED NET ASSETS link:presentationLink link:calculationLink link:definitionLink 995211801 - Disclosure - TREASURY SHARES link:presentationLink link:calculationLink link:definitionLink 995211901 - Disclosure - ATM OFFERING link:presentationLink link:calculationLink link:definitionLink 995212001 - Disclosure - SUBSEQUENT EVENT link:presentationLink link:calculationLink link:definitionLink 99920202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 99930103 - Disclosure - ORGANIZATION AND BASIS OF PRESENTATION (Tables) link:presentationLink link:calculationLink link:definitionLink 99930203 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) link:presentationLink link:calculationLink link:definitionLink 99930303 - Disclosure - PREPAYMENTS AND OTHER CURRENT ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 99930403 - Disclosure - PROPERTY, EQUIPMENT AND SOFTWARE, NET (Tables) link:presentationLink link:calculationLink link:definitionLink 99930503 - Disclosure - ACCRUALS AND OTHER CURRENT LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 99930603 - Disclosure - BORROWINGS (Tables) link:presentationLink link:calculationLink link:definitionLink 99930703 - Disclosure - SEGMENT INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 99930803 - Disclosure - CONTINGENTLY REDEEMABLE CONVERTIBLE PREFERRED SHARES (Tables) link:presentationLink link:calculationLink link:definitionLink 99930903 - Disclosure - SHARE-BASED COMPENSATION (Tables) link:presentationLink link:calculationLink link:definitionLink 99931003 - Disclosure - WARRANT LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 99931203 - Disclosure - INCOME TAX EXPENSE (Tables) link:presentationLink link:calculationLink link:definitionLink 99931303 - Disclosure - NET LOSS PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 99931403 - Disclosure - RELATED PARTY TRANSACTIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 99931503 - Disclosure - LEASES (Tables) link:presentationLink link:calculationLink link:definitionLink 99940201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Fair value measurements (Details) link:presentationLink link:calculationLink link:definitionLink 99940203 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Short-term investments, Impairment of long lived assets and Employee defined contribution plan (Details) link:presentationLink link:calculationLink link:definitionLink 99940205 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Government subsidies and Foreign currency exchange rate risk (Details) link:presentationLink link:calculationLink link:definitionLink 99940701 - Disclosure - SEGMENT INFORMATION (Details) link:presentationLink link:calculationLink link:definitionLink 99940801 - Disclosure - CONTINGENTLY REDEEMABLE CONVERTIBLE PREFERRED SHARES (Details) link:presentationLink link:calculationLink link:definitionLink 99940802 - Disclosure - CONTINGENTLY REDEEMABLE CONVERTIBLE PREFERRED SHARES - Activity during the period (Details) link:presentationLink link:calculationLink link:definitionLink 99940902 - Disclosure - SHARE-BASED COMPENSATION - Share Option Activities (Details) link:presentationLink link:calculationLink link:definitionLink 99940903 - Disclosure - SHARE-BASED COMPENSATION - Share Option Activities - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 99940904 - Disclosure - SHARE-BASED COMPENSATION - RSU Activity (Details) link:presentationLink link:calculationLink link:definitionLink 99940906 - Disclosure - SHARE-BASED COMPENSATION - Fair Value Of Share Options (Details) link:presentationLink link:calculationLink link:definitionLink 99941002 - Disclosure - WARRANT LIABILITIES - Warrant Liability Activity (Details) link:presentationLink link:calculationLink link:definitionLink 99941206 - Disclosure - INCOME TAX EXPENSE - Valuation Allowance (Details) link:presentationLink link:calculationLink link:definitionLink 99941301 - Disclosure - NET LOSS PER SHARE - Schedule of basic and diluted net loss per share (Details) link:presentationLink link:calculationLink link:definitionLink 99941501 - Disclosure - LEASES - Information related to operating leases (Details) link:presentationLink link:calculationLink link:definitionLink 99941701 - Disclosure - RESTRICTED NET ASSETS (Details) link:presentationLink link:calculationLink link:definitionLink