The life of a dog or a cat or a chicken consists of appetites, cravings, desires, and their gratifications.

狗，猫，小鸡的生命,都充斥着各类嗜好，渴望，欲望，以及满足感。

耶鲁公开课 - 公正课程节选

Well, you could put a baby down, have a picture of a dog here, a picture of a cat here, and see which one the baby looks at.

你可以抱来一个婴儿,在这里呈现一张狗的照片,在这里呈现一张猫的照片,然后观察婴儿会看哪一张照片

耶鲁公开课 - 心理学导论课程节选