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Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2020
Significant Accounting Policies  
Schedule of estimate useful life of property, plant and equipment

Category

 

Estimated  useful life

 

Furniture and electronic equipment

    

3 years

 

Vehicles

 

10 years

 

Software

 

5 years

 

Leasehold improvements

 

Shorter of expected lives of leasehold improvements and lease term 

 

 

Schedule of estimated useful lives of the intangible assets

 

 

 

Category

 

Estimated  useful life

Customer relationships

    

3 years

Trade names

 

10 years

Technologies

 

7 years

 

Schedule of online advertising and promotional service provider

 

 

 

 

 

 

 

 

 

 

For the year ended December 31, 

 

 

     

2018

     

2019

     

2020

 

Total number of online advertising and promotional service providers

 

32

 

25

 

41

 

Number of online service providers that accounted for 10% or more of the Group's online advertising and promotional service

 

 2

 

 2

 

 2

 

Total percentage of the Group's online advertising and promotional service expenses that were paid to these service providers who accounted for 10% or more of the Group’s online advertising and promotional service expenses

 

43

%  

55

%  

43

%