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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

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