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Accrued Expenses and Other Current Liabilities | 12 Months Ended
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Dec. 31, 2022
Accrued Expenses and Other Current Liabilities. |
Accrued Expenses and Other Current Liabilities | 11.Accrued Expenses and Other Current Liabilities The following is a summary of accrued expenses and other current liabilities as of December 31, 2021 and 2022: ​
​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2021 | ​ | December 31, 2022
​ |  | RMB |  | RMB
Advertising and promotional expenses |  | 32,849 |  | 33,048
Professional service fees |  | 7,690 |  | 5,237
Payable for property, equipment and leasehold improvement,net |  | 681 |  | 871
Accrued sales rebates for advertising business |  | 2,660 |  | 1,360
Provision for litigation contingencies |  | 4,863 |  | 3,156
Others |  | 4,743 |  | 3,950
Total |  | 53,486 |  | 47,622
​

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