They act as if they are giving us charity,she says. So really it is not easy.

VOA: standard.2009.08.27

That's an important observation, and as we get to the part of the course we talk about computational complexity, you'll see that what we really care about is not how efficient the program is on easy problems but how efficient it is on hard problems.

我们已经学习了这门课程的一部分了，我们要开始认识到,计算的复杂度这个概念，你会学习到我们在乎的并不是,算法在简单问题上的工作效率,而是解决复杂问题的效率。

麻省理工公开课 - 计算机科学及编程导论课程节选

Well, not everybody, but everybody can use to keep emails safe, just like sort of a really easy thing to do.

嗯，不一定是所有人，但是每个人都可以轻而易举地用这种密码来保证自己邮箱的安全，

积极参与俱乐部活动 - SpeakingMax英语口语达人

Probably never that easy but really, you're just not going to lose, and the truth of the matter is that hoplites beat non-hoplites in all battles that are fought on flat land in battles that the Greeks fight in.

也许不是那么的容易,不过总会胜利的,事实上,在所有希腊人打的平原战中,方阵部队无一例外地击败了非方阵部队

耶鲁公开课 - 古希腊历史简介课程节选

and it's not really easy to change that.

这一点不容易改变。

关于罗马尼亚 - SpeakingMax英语口语达人