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CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Parenthetical) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2022 CNY (¥) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥)
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS |  |  |  |  |
Interest expense to related party | ¥ 16,790 | $ 2,434 | ¥ 13,532 | $ 2,434 | ¥ 41,918
Interest income to related party | 6,946 | $ 1,007 | 3,447 | $ 1,009 | 127
Foreign currency translation, net of tax | ¥ 0 |  | ¥ 0 |  | ¥ 0

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