This normal weight animal like this has its whole equilibrium thrown off, its homeostasis thrown off when its dietary conditions change.

在饮食条件发生变化时,这些正常体重动物的生理平衡被打破,于是摈弃了原来的平衡饮食

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

In order to have a completely balanced diet that's completely plant based, one has to be very careful about having a wide array of foods.

为了形成一个完全以素食为主的,平衡饮食结构,你必须非常注意,广泛摄入各类食物

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Most people in America would get enough protein if they're eating a healthy, balanced diet, and wouldn't have to pay so much attention to protein in particular, but not everybody is getting a healthy balanced diet, so it is important for people to pay attention to this.

大部分美国人只要饮食健康平衡,蛋白质的摄取量都是足够的,不需要对蛋白质特别关注,但并不是每个人的饮食都那么健康而平衡,所以关注蛋白质的摄入量还是很重要的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选