Not only those of the rat race, all human beings.

不仅仅是实验小白鼠，所有人类都是。

哈佛公开课 - 幸福课课程节选

Let me ask another question, if you give this-- and we'll talk about this in a later lecture, but if you give this diet to laboratory animal-- rats, mice, whatever-- it's very common for animals to gain a good bit of weight when given access to this diet.

我们来看另一个问题,如果你给,我们将在以后的课上讨论这个话题,但如果你给实验室动物,像小白鼠之类的,给予某种类型的饮食,这种饮食习惯会使得体重增加

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选