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INTERIM CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Parenthetical) - CNY (¥)
¥ in Thousands
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Related party transaction, net revenue ¥ 23,639 ¥ 29,100
Interest expense, related party 23,369 22,379
Cost of revenues [Member]    
Related party transaction, cost of revenues and operating expenses 83,337 24,597
Sales and marketing expenses [Member]    
Related party transaction, cost of revenues and operating expenses 8,832 9,902
Research and development expenses [Member]    
Related party transaction, cost of revenues and operating expenses 18,168 14,234
General and administrative expenses [Member]    
Related party transaction, cost of revenues and operating expenses ¥ 10,787 ¥ 3,467