你问题的关键是晚餐后的长时间小睡。

The key to your problem is that long nap after dinner.

youdao

预防或治疗行为问题的关键是学会教狗将其常态行为重新转化为在家庭环境中可接受的发泄行为。

The key to preventing or treating behavior problems is learning to teach the dog to redirect its normal behavior to outlets that are acceptable in the domestic setting.

youdao

但问题的关键是，申请人比补助多。

Crucially, there were more applicants than vouchers.

youdao

Should we conclude,therefore, that the key to the important question--namely, What matters? the answer to that question, should we conclude,is,same personality?

我们是否就该得出结论，重要问题的关键，也就是什么是最重要的，这问题的答案就是相同的人格吗？

耶鲁公开课 - 死亡课程节选

But the first key issue is that it's good in and of itself-- almost needs no justification.

但首先的关键问题是快乐本身是好的-,几乎无需辩解。

哈佛公开课 - 幸福课课程节选

I think there is the essence of personal challenge in dealing with that.

我想关于这个问题,个人面对的挑战是关键。

普林斯顿公开课 - 人性课程节选