我们已经不再为了效率而投入必要的时间。

We've stopped putting in the time necessary to be effective.

youdao

记住，你要花必要的时间去真正沉浸于那种情绪之中。

Remember; take the time you need to really immerse yourself in the emotion.

youdao

他必须愿意花必要的时间和团队其他成员一起生产正确的软件。

He has to be willing to spend as much time with the rest of the team as necessary to produce the right software.

youdao

But perhaps it's worth taking a moment to emphasize the eternal aspect of the forms.

但是也许有必要花一些时间,强调一下型相的永恒性

耶鲁公开课 - 死亡课程节选

Well what if we could develop ways using engineering techniques to extend the life of an organ, so it didn't have to get it where it went so quickly?

如果我们能够发展,一种工程方法,延长器官的保存时间,就没有必要赶得那么紧了

耶鲁公开课 - 生物医学工程探索课程节选

So I'm going to start today, we have about five or ten minutes left, sorry, five minutes left - in order to do this with some beginnings of Python, and we're going to pick this up obviously, next time, so; simple parts of Python.

这是我们需要学习的必要知识，我今天就会，五分钟或者十分钟的时间,对不起是五分钟，为了以Python开头来做到到这一点，我们会去学习这些。

麻省理工公开课 - 计算机科学及编程导论课程节选