A lot of these processed foods have very long shelf lives and therefore can be stored for long periods of time.

很多加工食品为了便于储藏销售,都有很长的保质期

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

We'll talk about the U.S. Department of Agriculture, which at the same time, is supposed to be helping sell as much food as possible to boost American agriculture, but establishes nutrition policy.

我们会讲美国的农业部,农业部能够在食品销售方面,提供尽可能多的帮助,来繁荣美国农业的同时,制定了营养政策

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

If you think back to New Haven in the 1950s or 1940s, or 1930s, a lot of the food, much more then is the case today, was grown locally and was sold in markets and so there might have been one person or one step that resided between you and your food.

若回顾上个世纪30到50年代的纽黑文,比起今天 很多的食物都是产于当地,然后拿到市场上去销售,你和你所吃的,食品之间可只隔着一个人或一道工序

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选