By experiencing these emotions, whether the ups and the downs, what you are doing is being, being a human being.

通过体会这些情绪，不论是起是落，你正在做的是，作一个人。

哈佛公开课 - 幸福课课程节选

So this diet, although it's processed by a company and sold for people doing animal studies, it more or less mimics what these animals might be eating under natural conditions.

尽管这些食物经过商业加工,并用于动物科学研究,但会尽可能的模拟,实验动物在自然环境下的饮食

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选