In order to prevent such tragedy from happening again, we students should avoid buying food from the stores or stalls out of the school.

为了防止这种悲剧再次发生，我们作为学生应尽量避免从学校外的商店或摊位购买食物。

youdao

Therefore, we should all look at advertisements with a critical eye in order to avoid buying things that are not necessary.

因此，我们都应该用批判性的眼光来看待广告，以免买到不需要的东西。

youdao