They will mix leaves, animal waste and food waste from the college's kitchens to make compost.

他们利用学校厨房的动物废物,食物废物并混合树叶制作肥料.

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How much do you eat? food waste is a waste of money, and quite shameful.

你能吃多少 呢 ?浪费食物就是浪费钱, 而且挺可耻的.

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