First, it should show them the information that they need to solve a problem (allow them to observe).

首先，它应当为人们显示解决问题时所需的信息(允许他们观察)。

youdao

First, it should show them the information that they need to solve a problem (allow them to observe).

首先，它应当为人们显示解决问题时所需的信息(允许他们观察)。

youdao