Then walk into your local bank and ask your friendly banker what a derivative is.

然后走进你本地的银行，问问笑脸相迎的银行家什么是衍生品。

youdao

Then walk into your local bank and ask your friendly banker what a derivative is.

然后走进你本地的银行，问问笑脸相迎的银行家什么是衍生品。

youdao