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Inventories - Summary Of Schedule Of Inventory Current (Detail)
¥ in Thousands, $ in Thousands
Dec. 31, 2021
CNY (¥)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
CNY (¥)
Inventory [Line Items]      
Products ¥ 487,066 $ 76,431 ¥ 329,065
Packing materials and others 50,406 7,910 57,366
Inventories ¥ 537,472 $ 84,341 ¥ 386,431