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Cash and Cash Equivalents
12 Months Ended
Dec. 31, 2021
Cash and Cash Equivalents [Abstract]  
Cash and Cash Equivalents
3.
Cash and Cash Equivalents
The following is a summary of cash and cash equivalents:
                 
    
December 31, 2020
    
December 31, 2021
 
    
RMB
    
RMB
 
Cash and cash equivalents:
                 
RMB
     152,032        237,393  
US$
     161,663        291,776  
Others
     1,764        4,124  
    
 
 
    
 
 
 
Total cash and cash equivalents
  
 
315,459
 
  
 
533,293