In activity of out-field selling book, indoor selling book can not be used because of environmental constraints.

在图书外场销售中由于受环境的制约，无法使用店内售书系统。

youdao

In activity of out-field selling book, indoor selling book can not be used because of environmental constraints.

在图书外场销售中由于受环境的制约，无法使用店内售书系统。

youdao