植物产生供人类呼吸的空气和食用的食物。

Plants produce air for humans to breathe and food to eat.

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据一项研究显示，在劳拉的国家，每年超过1300亿磅未食用的食物被浪费。

According to a research more than 130 billion pounds of on uneaten food go to waste in Laura's country each year.

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当然没有被食用的食物不会使人发胖。

Food that is not eaten cannot, of course, make someone fat.

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Eating a high fat diet but one that's low in cholesterol can still potentially lead to high cholesterol levels.

食用高脂但低胆固醇的食物,仍可导致胆固醇含量偏高

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

In fact, people do consume foods with cholesterol, but most of the cholesterol in the body is synthesized from foods that don't have cholesterol itself but have fat that the body turns into cholesterol.

实际上,尽管人们食用含胆固醇的食物,但人体内大多的胆固醇都是由,本身不含胆固醇的食物的脂肪,转化合成而来的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选