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Other Non-current Assets (Tables)
12 Months Ended
Dec. 31, 2021
Text Block Abstract  
Schedule of Other Non-Current Assets
Other
non-current
assets consist of the following:
 
    
As of December 31,
 
    
2020
    
2021
 
    
RMB
    
RMB
    
US$
 
Operating lease
right-of-use
assets
     209,339        133,383         20,931  
Others
     49,365                
    
 
 
    
 
 
    
 
 
 
       258,704        133,383        20,931