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LONG-TERM INVESTMENTS (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2020 CNY (¥) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 CNY (¥)
--- | --- | --- | ---
LONG-TERM INVESTMENTS |  |  |
Equity investments without readily determinable fair values | ¥ 45,085 | $ 6,909 | ¥ 22,160
Equity method investments | 187,935 | 28,802 | 42,788
Available-for-sale debt securities | 80,000 | 12,261 |
Total | ¥ 313,020 | $ 47,972 | ¥ 64,948

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