But it's interesting to go a little further and think actually about what the concept means and where it comes from.

我们可以讨论得更深入些,想想这个概念的真正意义和它的来源

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Let's talk about more ancient societies and how food got started and what sort of phases we've gone through and how does that shape what's going on today.

让我们更深入地讨论古代社会及食品起源,还有我们经历了哪些阶段,这些阶段是如何影响我们现在的饮食

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

What I'm going to talk about today is to continue our discussion about what is Biomedical Engineering and go a little bit further and we'll spend about half the class doing that, and then I want to spend the last half of the class talking about some biological structures that are very important and that you might not be familiar with.

今天我们要继续讨论,有关生物医学工程的话题,并且更深入些,这需要花上大约半节课时间,后半节课会讨论,一些非常重要的生物构造,有些你们可能不是太熟悉

耶鲁公开课 - 生物医学工程探索课程节选