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。

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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。

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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。

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