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PREPAID AND OTHER CURRENT ASSETS, NET (Schedule of Prepaid and Other Current Assets) (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2018 CNY (¥) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 CNY (¥)
--- | --- | --- | ---
Amount due from minority shareholder | ¥ 49,800 |  | ¥ 49,800
Value added tax refundable | 5,165 |  | 5,165
Due from former owners | 5,743 |  | 5,743
Staff advances | 7,885 |  | 5,857
Rental deposits | 3,522 |  | 3,804
Prepaid professional services fees | 5,053 |  | 6,513
Prepaid rental fees | 7,794 |  | 5,520
Receivable from Zhenjiang operating rights | 35,000 |  | 35,000
Others | 24,462 |  | 23,327
Total before allowance for doubtful accounts | 144,424 |  | 140,729
Less: allowance for doubtful accounts | (9,654) |  | (11,212)
Total | ¥ 134,770 | $ 19,601 | ¥ 129,517

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