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INTERIM CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' (DEFICIT)/EQUITY ¥ in Thousands, $ in Thousands | CNY (¥) | USD ($) | Class A ordinary shares [Member] CNY (¥) shares | Class B ordinary shares [Member] CNY (¥) shares | Additional paid-in capital [Member] CNY (¥) | Statutory reserves [Member] CNY (¥) | Accumulated deficit [Member] CNY (¥) | Accumulated other comprehensive income/(loss) [Member] CNY (¥) | Non-controlling interests [Member] CNY (¥) | Pre-IPO ordinary shares [Member] CNY (¥) shares
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2018 | ¥ (1,141,433) |  |  |  | ¥ 138,024 | ¥ 292 | ¥ (1,281,191) | ¥ 496 | ¥ 888 | ¥ 58
Balance (Shares) at Dec. 31, 2018 | shares |  |  |  |  |  |  |  |  |  | 92,000,000
Net loss | (398,570) |  |  |  |  |  | (399,505) |  | 935 |
Share-based compensation expenses | 5,498 |  |  |  | 5,498 |  |  |  |  |
Foreign currency translation adjustment | 55 |  |  |  |  |  |  | 55 |  |
Deemed contribution related to acquisition of businesses under common control | 69,603 |  |  |  | 69,603 |  |  |  |  |
Accretions of convertible redeemable preferred shares | (32,209) |  |  |  |  |  | (32,209) |  |  |
Balance at Sep. 30, 2019 | (1,497,056) |  |  |  | 213,125 | 292 | (1,712,905) | 551 | 1,823 | ¥ 58
Balance (Shares) at Sep. 30, 2019 | shares |  |  |  |  |  |  |  |  |  | 92,000,000
Balance at Dec. 31, 2019 | 301,027 |  | ¥ 16 | ¥ 56 | 2,232,841 | 1,786 | (1,920,081) | (14,527) | 936 |
Balance (Shares) at Dec. 31, 2019 | shares |  |  | 22,635,396 | 89,132,360 |  |  |  |  |  |
Net loss | (1,305,418) | $ (192,267) |  |  |  |  | (1,305,035) |  | (383) |
Issuance of ordinary shares pursuant to incentive plans (Shares) | shares |  |  | 1,987,389 |  |  |  |  |  |  |
Issuance of ordinary shares pursuant to incentive plans | 26,996 |  | ¥ 1 |  | 26,995 |  |  |  |  |
Share-based compensation expenses | 26,901 |  |  |  | 26,901 |  |  |  |  |
Deemed distribution to NetEase | (2,060) |  |  |  | (2,060) |  |  |  |  |
Noncontrolling interests arising from business combination | 624 |  |  |  |  |  |  |  | 624 |
Foreign currency translation adjustment | (19,466) | (2,867) |  |  |  |  |  | (19,466) |  |
Balance at Sep. 30, 2020 | ¥ (971,396) | $ (143,071) | ¥ 17 | ¥ 56 | ¥ 2,284,677 | ¥ 1,786 | ¥ (3,225,116) | ¥ (33,993) | ¥ 1,177 |
Balance (Shares) at Sep. 30, 2020 | shares |  |  | 24,622,785 | 89,132,360 |  |  |  |  |  |

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