Prepaid Expenses and Other Current Assets

12 Months Ended

Dec. 31, 2017

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Prepaid Expenses and Other Current Assets

7.	PREPAID EXPENSES AND OTHER CURRENT ASSETS

Prepaid expenses and other current assets consist of the following:


	December 31,
	2016		2017
	RMB		RMB		US$
Prepaid expenses		163,443		344,696		52,979
Staff field advances		22,429		6,735		1,035
Interest receivables		13,576		17,644		2,712
Receivables for the disposal of certain construction-in-progress		20,290		—		—
Tax recoverables		309,426		376,642		57,889
Deposits		19,596		30,669		4,714
Loan to third parties		62,433		60,805		9,345
Other receivables		165,938		96,559		14,840

		777,131		933,750		143,514

Prepaid expenses mainly represented the unamortized portion of prepayments made to Microsoft for the cloud computing services, and the prepayments to telecommunication operators for bandwidth, data centers or cabinets.