这篇文章的目的是要求人们停止浪费食物。
The purpose of the passage is to ask people to stop wasting food.
峰会将于11月13日结束，届时青年大使希望学校可以停止浪费纸张。
The summit will finish on 13 November, when youth ambassadors want schools to stop paper waste.
虽然我们有足够的食物吃，我们应该吃完我们买的东西，停止浪费食物费。
Though we have enough food to eat, we should eat up the things we buy and stop food waste.
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