Notice here how Yeats images what is at the core of Christ's birth.

注意这让叶芝是怎么描写,基督诞生的核心内容的。

耶鲁公开课 - 现代诗歌课程节选

This material will be necessary to do the listening exercises for the course, which is sort of the backbone of the course.

做听力练习时我们必须使用这些材料,听力训练是课程的核心内容

耶鲁公开课 - 聆听音乐课程节选

But before we can even get started, there's a question, really an objection to the whole enterprise.

在我们开始之前,还有一个问题,这是所有问题的核心内容

耶鲁公开课 - 死亡课程节选

It's kind of a shocking movie and unpleasant and very violent but at its core, one of the main themes is right out of Intro Psych.

这是一部惊悚片,基调阴郁，并且十分暴力,但这部影片的核心，它的主题之一便源于心理学导论中的内容。

耶鲁公开课 - 心理学导论课程节选

Now I'm going to move to the really important and central topic.

现在我将要开始最重要最核心的内容

耶鲁公开课 - 基础物理课程节选

I want to talk about the goal of the course, what it is you'll be able to do at the end of this course when you get through it, and then I want to begin talking about the concepts and tools of computational thinking, which is what we're primarily going to focus on here.

我想讲讲课程目标，也就是当你们完成了这门课时,应该达到的程度，接下来我想开始谈谈,计算思维的概念和方法，即这门课程的核心内容。

麻省理工公开课 - 计算机科学及编程导论课程节选