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Short-term Investments (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥) | Dec. 31, 2018 CNY (¥) | Dec. 31, 2020 USD ($)
Short-term Investments |  |  |  |
Short-term investments | ¥ 3,357,189 | ¥ 1,260,810 | ¥ 945,338 | $ 514,511
Investment income related to short-term investments | 74,000 | (3,100) | 13,800 |
Financial products |  |  |  |
Short-term Investments |  |  |  |
Short-term investments | 2,866,643 | 1,070,113 | 858,021 |
Investments in publicly traded companies |  |  |  |
Short-term Investments |  |  |  |
Short-term investments | 434,609 | 80,918 |  |
Money market funds |  |  |  |
Short-term Investments |  |  |  |
Short-term investments | ¥ 55,937 | ¥ 109,779 | ¥ 87,317 |

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