People in the United States and increasingly in other countries around the world, are eating way too much fat.

美国人,还有越来越多其他国家的人,吃了太多的高脂肪食物

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

For example, nowhere in the world would people consider eating a rock, because a rock is non-food across all cultures; but aside from that, there's great variability and so social construction part of this is very important.

举例来说,世界上没有哪里的人会想吃石头,因为不管在哪种文化中,石头都不能当做食物,但是除此之外,各地的食物丰富而多样,所以社会意识是非常重要的一部分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Some of that is being forced by the United States and the corn to ethanol conversion program that has pushed up the price of corn a great deal, pushed down the world supply of corn for eating, and pushed up world prices.

美国在一定程度上推动了这件事,玉米向乙醇转化项目,大大抬高了玉米价格,削减了可供食用玉米的供应量,世界玉米的价格就提高了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It's happened over the course of millions of years of human evolution, but it's happened also in a relatively recent time frame when we think about the American diet and what people are eating, but also the world diet of course.

它们发生在人类数百万年的演化历程中,在近现代,当我们考虑美国人的食谱,当然也包括全世界的食谱,同样在发生着这些变革

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选