由于某种原因，我们的食品捐款箱最近总是不够用。

For some reason, our food donation box just isn't filling up recently.

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普雷蒂教授从这一切中得出了一个简单但却惊人的结论：实际上我们的食品花销翻了三倍。

Professor Pretty draws a simple but memorable conclusion from all this: our food bills are actually threefold.

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我们的食品更多了，但我们的营养却越来越少了。

We have much more food, but less nutrition.

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We're going to talk about various aspects of food and I'd like to start off with a little pop quiz.

我们将讨论有关食品的方方面面,我将以一个小测验来开始这门课

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But packaged foods have labels, and this is made possible because of government action taken some years ago.

但包装食品的食品标签可以告诉我们这些,这得益于几年前的政府措施

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

This is nothing that we need to worry in our food supply.

我们一点都不需要担心食品供应的问题。

麻省理工公开课 - 化学原理课程节选