The following is a data dictionary of the Swap Circle
The Change Circle function Introduction:
Changing circles is a social platform for colleges and universities to socialize with the exchange of idle objects. there are mainly exchange channels and reward channels. Exchange channels have a variety of players want to exchange idle information, interested players can comment and apply for exchange, while they can also release information exchange their own idle things. The Reward Channel has a variety of players of the reward, such as to help substitute for how much to change beans and so on. PS: Changing the beans is the currency of the exchange circle for exchanging items. There is also a coffee exchange area where players can exchange the equivalent of their coffee with a change of beans they earn.
Here is the data dictionary:
A data dictionary for the research object with the change circle