There is almost no disagreement over the main ideas of evolution in the scientific community.

VOA: special.2009.12.01

So if you say, "Can you summerize for me in a few words the main ideas?"

如果你问,"你能简单地,为我总结一下上节课的内容吗"

耶鲁公开课 - 基础物理课程节选

One of the main ideas we'll talk about is the distinction: we'll talk about specifically on the lecture on change between affect, behaviors and cognitions.

我们会集中讨论的一点是“差别：,在有关“改变“的课上中会着重谈,情感，行为和认知的差别。

哈佛公开课 - 幸福课课程节选