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v3.20.1

Short-term borrowings (Details) - CNY (¥) ¥ in Thousands | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | ---
Short-term borrowings |  |  |
Short-term borrowings | ¥ 0 | ¥ 147,264 | ¥ 200,000
Short-term borrowings |  |  |
Short-term borrowings |  |  |
Weighted average interest rate |  | 4.15% | 7.00%

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