Now the first the eat food: well he has a long discussion, and as you'll know from the book, about what is food?

他做了大篇幅关于饮食的讨论,你可以从书中了解到,什么是食物

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And then there's the whole vast category of racial defense and justification of slavery.

随后有大篇幅的种族辩护,以及奴隶制合法化的阐述

耶鲁公开课 - 美国内战与重建课程节选