"Unfortunately though, most of the key international actors who have displayed quite a lot of interest in what is going on in south and central Somalia over the past couple of years, have really continued to neglect and ignore what is going on here in Somaliland."

VOA: standard.2009.09.07

The number that you choose to rotate your letters by is what we call in cryptography, a key.

你选择的旋转字母的数量,就是所谓的加密学，一个密钥。

哈佛公开课 - 计算机科学课程节选

In a help session what he might do typically is solve between four and eight problems that illustrate the key principle being talked that week.

在帮助课程中他一般会,解决4到8个问题,来阐明那一周教的关键原理。

麻省理工公开课 - 媒体、教育、市场课程节选

And that's our obligation to send them to war only when we have to, and only when we know they can actually achieve their mission is a key difference between what I advocate and what the neo-cons advocate.

我们有义务,在必须的时候，送他们上战场，我们必须确保,他们一旦奔赴战场就能完成使命,这是重大的不同,我和新型保守派主张的不同之处主要在此。

普林斯顿公开课 - 国际座谈会课程节选

McKinsey and Hamilton have both been participants Of this projects. And what we've been trying to do is Isolate a few key areas that make sense for MIT doing Explore extensively. Now some of the challenges first Are that the technologies advance quickly.

包括McKinsey和Hamilton都是参与者,我们试图区分出一些关键领域,而不是让麻省理工做广泛的探索,现在的一些挑战在于,科学技术瞬息万变。

麻省理工公开课 - 媒体、教育、市场课程节选