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CONSOLIDATED STATEMENTS OF PROFIT OR LOSS (Parenthetical)
12 Months Ended
Dec. 31, 2022
$ / shares
Dec. 31, 2022
¥ / shares
Dec. 31, 2021
¥ / shares
Dec. 31, 2020
¥ / shares
Profit or loss [abstract]        
Basic and diluted (loss)/earnings per share | (per share) $ (0.44) ¥ (3.00) ¥ (5.91) ¥ 3.89