问题的关键就在周末。

The answer is the weekends.

youdao

问题的关键就在周末。

The answer is weekends.

youdao

问题的关键就在那里。

Therein lies the crux of the matter.

youdao

and "how can I continue to guide you through your life in the various junctures, and that means family, that means everything, what do you love and how can you guide your life through love?"

还有“我怎样能引导你一生,在人生各种关键的时候，那就意味着家庭还有一切事物，你喜爱什么，我怎样,用爱来引导你的一生？“

普林斯顿公开课 - 人性课程节选

And in particular, there are some key words that Python is going to use that have to be excluded.

尤其是，Python需要用的一些关键词,就被排除在外面了。

麻省理工公开课 - 计算机科学及编程导论课程节选

Here is the main point.

所以关键就在这里

耶鲁公开课 - 基础物理课程节选