the main idea

基本解释

Summarizing begins with outlining, but instead of merely listing the main ideas, a summary recomposes them to form a new text.
概述通常与提纲在一起，不过与总结不同，概述不是列举主要思想，概述是把主旨重新编排形成新的文章。
While coalescing via boundary tags and best-fit via binning represent the main ideas of the algorithm, further considerations lead to a number of heuristic improvements.
当通过边界标签进行结合和通过分箱达到最佳适合表现了这个算法的主要想法的同时，进一步的思考产生了一些探索性的改进。
If this mathematics is found not to apply to nature it will not really matter because this work is quite isolated and one can abandon it without affecting the main ideas of the quantum theory.
如果这个数学形式并不符合自然也无所谓了，因为这个理论比较独立，一个人在不影响量子理论主要思想的前提下完全可以放弃它。

He says creating a plan for the structure of the book listing the main ideas makes writing much easier.
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

Taymor hired experts to help with the script, stage design and costumes, but the main ideas were all hers.
FORBES: No Superheroes Were Harmed in the Writing of This Blog Post