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INVENTORIES, NET
12 Months Ended
Dec. 31, 2022
Inventory Disclosure [Abstract]  
INVENTORIES, NET
7. INVENTORIES, NET
 
    
As of December 31,
 
    
    2021    
    
    2022    
 
    
RMB
    
RMB
 
Merchandise and packing materials
     91,496        60,043  
Less: inventory write-downs
     (6,996      (5,392
    
 
 
    
 
 
 
Total inventories, net
       84,500          54,651