Senator Kerry said the package is intended to be a true sign of friendship for Pakistan, while spokesman Crowley said it creates balance in the U.S.aid program and that it is hard to see how that impedes Pakistan's military.

VOA: standard.2009.10.13

The end is hard and it's going to be hard, no matter how you come to it.

结束很难，并且一定会很难，无论你打算怎样结束。

耶鲁公开课 - 现代诗歌课程节选

And the question that preoccupies developmental psychologists is how do we come to have this knowledge, and in particular, how much of it is hard-wired, built-in, innate.

发展心理学家们所关心的问题,就是我们如何获得这些知识的,特别是,这其中有多少是固有的,内在的,天生的

耶鲁公开课 - 心理学导论课程节选

That's the question we're going to try and address. If we can do this, this is good, because first of all, it removes any questions about what machine I'm running on, it's talking about fundamentally, how hard is this problem, and the second thing is, it is going to do it specifically in terms of the input. Which is one of the things that I was worried about.

这是一个我们接下来要去,尝试和解决的问题，如果我们能做到的话会很不错，因为首先，它解决了结果可能和我,运行的计算机有关系的问题，因为这从根本了告诉了，我们这个问题的复杂度，第二件事情,就是这种方法可以依据输入的大小来计算,而这正是我最担心的地方。

麻省理工公开课 - 计算机科学及编程导论课程节选