Is a product of equivalent exchange, the actual transactions.

是等价交换的产物，实际的交易。

youdao

So happy what to do once the exchange is equivalent to what?

那么幸福该用什么做一次等价交换哪？

youdao

So happy what to do once the exchange is equivalent to what?

那么幸福该用什么做一次等价交换哪？

youdao