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Revenues (Tables)

12 Months Ended

Dec. 31, 2018

Revenues

Schedule of revenues

		For the years ended December 31,
		2016		2017		2018		2018
		RMB		RMB		RMB		US$
Online marketplace services
—Online marketing services		—		1,209,275		11,515,575		1,674,871
—Transaction services		48,276		531,416		1,604,415		233,352
Merchandise sales		456,588		3,385		—		—
		504,864		1,744,076		13,119,990		1,908,223

Schedule of information about contract liabilities, comprising customer advances and portions of Payables to merchants

		As of
		January 1, 2018		December 31, 2018		December 31, 2018
		RMB		RMB		US$
Customer advances		56,453		191,482		27,850
Contract liability		38,935		72,939		10,609

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- Definition

Tabular disclosure of contract balances and changes in contract balances.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

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-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
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