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DEFERRED REVENUE | 12 Months Ended
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Dec. 31, 2021
Revenue Recognition and Deferred Revenue [Abstract] |
DEFERRED REVENUE | 12. DEFERRED REVENUE
|  | As of December 31, |
|  | 2020 |  |  | 2021 |
|  | RMB |  |  | RMB |
Deferred merchandise revenue |  |  | 40,645 |  |  |  | 99,213 |
Deferred membership program revenue |  |  | — |  |  |  | 1,025 |
Deferred marketplace revenue |  |  | 9,113 |  |  |  | 4,402 |
Deferred other revenue |  |  | 1,193 |  |  |  | 1,112 |
Total deferred revenue |  |  | 50,951 |  |  |  | 105,752 |
The revenue recognized in the years ended December 31, 2019, 2020 and 2021 that was included in deferred revenue as of the beginning of each respective period were RMB 181,828 , RMB 50,951 and RMB 105,752 , respectively.

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- Definition Disclosure of deferred revenue. + References No definition available. + Details
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