You can take commercial foods, like Wheaties, and go to the manufacturer and try to figure out how many boxes of these things are produced.

对象可以是麦片那样的商品,去联系制造商然后估算出,这些东西生产了多少箱

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

you have to generate What do you get when you mix two agricultural things?

你必须去生产,当你将两种农作物结合起来你会得到什么

耶鲁公开课 - 古希腊历史简介课程节选

One might have to do with where it's from and how it's made so that might tell us a little bit about whether something should be defined as a food.

一个是关于食品源自何处,怎么生产的,这会给我们一些参考,去判断何为食品

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选