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v3.23.1

Principal Accounting Policies - Receivables, net (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2022 CNY (¥) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2020 CNY (¥)
Principal Accounting Policies |  |  |  |
Balance at the beginning of year | ¥ 369,982 |  | ¥ 113,253 | ¥ 77,147
Provisions | 61,393 | $ 8,901 | 265,930 | 40,600
Write-offs | (28,015) |  | (9,201) | (4,494)
Balance at the end of year | ¥ 403,360 |  | ¥ 369,982 | ¥ 113,253

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