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v3.20.4

Prepayment and Other Current Assets (Tables) | 9 Months Ended
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Sep. 30, 2020
Prepaid Expense and Other Assets, Current [Abstract] |
Summary of prepayment and other current assets | The following is a summary of prepayment and other current assets as of December 31, 2019 and September 30, 2020:
|  | As of |
|  | December 31, |  |  | September 30, |
|  | 2019 |  |  | 2020 |
|  | RMB |  |  | RMB |
Deferred expenses for learning services |  |  | 48,185 |  |  |  | 45,238 |
Prepayment for value-added taxes |  |  | 18,034 |  |  |  | 36,739 |
Prepayment for promotion fees |  |  | 20,777 |  |  |  | 27,879 |
Deferred charges |  |  | 12,472 |  |  |  | 27,545 |
Interest receivable |  |  | 6,252 |  |  |  | 17,893 |
Prepaid sales commission |  |  | — |  |  |  | 12,098 |
Prepayment for rental expenses |  |  | 1,237 |  |  |  | 7,215 |
Prepayment for content fees |  |  | 3,201 |  |  |  | 3,036 |
Others |  |  | 10,733 |  |  |  | 22,941 |
Total |  |  | 120,891 |  |  |  | 200,584 |

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