When you in a crowded place like a club or a theater, there are some things that you can do to be ready for emergency.

当你在一个俱乐部或剧场等拥挤的地方，你可以做些应急准备。

youdao

When you in a crowded place like a club or a theater, there are some things that you can do to be ready for emergency.

当你在一个俱乐部或剧场等拥挤的地方，你可以做些应急准备。

youdao