Portion sizes, and we'll devote a class to this later on, have gone way up and that's a big problem, the amount of processing I mentioned.

食物份量直线上升,这是个问题,我们将专门用一堂课讲这个,即刚才提到的食品加工程度的问题

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选