There was a joke before, a guy opened a Pinduoduo, and only sold two products, one is a trading technology book, with a total sales of 20, and the other is PS software, with a total sales of 2000+

It's true that as long as there is market demand, there are all kinds of things.

So, I have realized it again. 😂 The main selling point is that one transaction fee goes in and one membership fee comes out. #BTC