Now these changes, these human evolutionary changes, have created some very interesting metabolic things inside our bodies.

而今,这些改变,这些人类演化造成的变化,在人体内产生了一些很有意思的代谢过程

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

As we'll discuss in the class, and most of you probably know this, your body weight is a function of how many calories you take in and how many calories you burn off through metabolic processes but also physical activity.

我们将会讲到,而且你们中的大部分人可能也知道,你的体重随着卡路里的摄取量,和代谢中的消耗量而变化,还跟肢体活动有关

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选