He also says the legal process will require time and patience, and he is unwilling to make a guess at Nkunda's future.

VOA: standard.2009.04.18

It's very interesting because velocity seems to require two different times to define it -- the initial time and the final time.

这非常有趣,因为速度似乎需要两个时间才能算出来,初时刻和末时刻

耶鲁公开课 - 基础物理课程节选

Moreover, the kids we have are vulnerable for long periods of time and require our resources.

而且，我们的孩子很长一段时间,易受伤害,我们需要保护它们。

耶鲁公开课 - 心理学导论课程节选

Plus it makes it, as I talked about last time, much easier to think about distributing the vaccine around the world because shots require skilled medical personnel, whereas, an oral vaccine could be self-administered.

而且,这会使得,就像我上次谈到的,这会使得疫苗更容易在世界范围内分发,因为注射需要专业医疗人员,但是,口服疫苗自己就可以服用

耶鲁公开课 - 生物医学工程探索课程节选

This is why even the best city, even Kallipolis will require, as he spends a great deal of time discussing, will require a warrior class, a class of what he calls "auxiliaries."

这就是为何就算是最优之城，就算是，Kallipolis，仍需要，如他费时讨论，都还是需要战士阶级，一个他称为，“后备的，“阶级“

耶鲁公开课 - 政治哲学导论课程节选