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CONSOLIDATED BALANCE SHEETS (Parenthetical) ¥ in Thousands, $ in Thousands | Dec. 31, 2022 CNY (¥) shares | Dec. 31, 2022 USD ($) $ / shares shares | Dec. 31, 2021 CNY (¥) shares
--- | --- | --- | ---
Accounts receivable, allowance | ¥ 7,764 | $ 1,126 | ¥ 4,932
Reserve for prepayments and other current assets | 17,290 | 2,507 | 14,853
Prepayments and other current assets, due from related party | 169,436 | 24,566 | 145,692
Short-term bank and other borrowings, loan from related party | 13,105 | 1,900 | 12,108
Long-term bank and other borrowings, current portion, loan from related party | 133,856 | 19,407 | 35,993
Long-term bank and other borrowings, non-current portion, loan from related party | ¥ 122,579 | $ 17,772 | ¥ 83,778
Treasury stock, common shares | 12,101,847 | 12,101,847 | 12,101,847
Class A ordinary shares |  |  |
Ordinary shares, par value per share | $ / shares |  | $ 0.0001 |
Ordinary shares, shares authorized | 500,000,000 | 500,000,000 | 500,000,000
Ordinary shares, shares issued | 96,565,584 | 96,565,584 | 96,565,584
Ordinary shares, shares outstanding | 84,463,737 | 84,463,737 | 84,463,737
Class B ordinary shares |  |  |
Ordinary shares, par value per share | $ / shares |  | $ 0.0001 |
Ordinary shares, shares authorized | 45,787,948 | 45,787,948 | 45,787,948
Ordinary shares, shares issued | 45,787,948 | 45,787,948 | 45,787,948
Ordinary shares, shares outstanding | 45,787,948 | 45,787,948 | 45,787,948

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