First, let's examine certain planning and preparedness efforts that would require specific behaviors.

首先，让我们研究一些规划和准备工作，将要求特定的行为。

youdao

First, let's examine certain planning and preparedness efforts that would require specific behaviors.

首先，让我们研究一些规划和准备工作，将要求特定的行为。

youdao