They've been very influential in teaching us how much of things we should eat, and look at that in this commercial that you're about to see, and also, the social context of this.

他们在教育我们吃多少东西方面,十分具有影响力,仔细观察接下来给你们看的广告,想想这其中蕴含的社会背景因素

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选