If animals get a similar disease then you can learn about that disease progression in much more detail in the animal.

如果动物也能罹患相似的疾病,那么我们可以通过动物,更详尽的研究病程发展

耶鲁公开课 - 生物医学工程探索课程节选

From a psychological point then, animals have evolved to be nice to their kin, particularly their children, and particularly in birds and mammals.

从心理学角度看，动物进化趋向于对自己的亲人有益，特别是自己的孩子，以鸟类和哺乳类为代表。

耶鲁公开课 - 心理学导论课程节选

And then in my own view, this extends to animals, to creatures.

然后在我个人看来，这也可以延伸到动物，乃至所有生物上。

麻省理工公开课 - 电影哲学课程节选