But some of the most basic operation skills, or each salesman must be learned.

但是一些最基本的话术技巧，还是每个销售员必须要懂得了。

youdao

But some of the most basic operation skills, or each salesman must be learned.

但是一些最基本的话术技巧，还是每个销售员必须要懂得了。

youdao