but in the presence of the modern food environment that provides access to these things, and to foods like a pop tart with fifty-six different things in it, the body gets thrown off.

但在如今的饮食环境中,我们可以随时接触到像是果酱馅饼,这样的集五十六种成分于一身的食物,但却不利于身体健康

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 change the animal's environment and you give it access to these sort of foods, and these are the pictures that I showed in the first class, and you remember I asked you what constituents of this diet promoted obesity and you said it was fat, sugar, and variety that was correct.

如果你改变动物所在环境,再给它们这些食物,这些图片我们在第一课见到过,我问过这些食物中哪些成分使人发胖,你们说脂肪,糖和其他成分,没错

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选