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Related Party Transactions and Balances (Tables) | 12 Months Ended
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Dec. 31, 2021
Related Party Transactions [Abstract] |
Schedule of Related Parties That had Transactions or Balances with the Group | The related parties that had transactions or balances with the Group in 2019, 2020 and 2021 consisted of:
Related Party |  | Relationship with the Group
Mr. Liang Changlin |  | Founder and CEO of the Company
Shanghai Tiejun Enterprise Consulting Center (Limited Partnership) (“Tiejun”) |  | Controlled by Mr. Liang Changlin
EatTogether Holding Limited (“EatTogether”) |  | Controlled by Mr. Liang Changlin
Summary of Related Party Balances Due From And Due To The Founder | The amounts due from related parties consisted of the following: Related party balances Amounts due from related parties:
|  | As of December 31, |
|  | 2020 |  |  | 2021 |  |  | 2021 |
|  | RMB |  |  | RMB |  |  | US$ |
|  | (in thousands) |
Current: |  |  |  |  |  |  |  |  |  |  |  |
Loan to Mr. Liang Changlin |  |  | 9,000 |  |  |  | — |  |  |  | — |
Loan to Tiejun |  |  | 1,100 |  |  |  | — |  |  |  | — |
Total |  |  | 10,100 |  |  |  | — |  |  |  | — |

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