In American history our reform crusades have usually had to do with one of several objects or purposes or problems.

在美国历史上我们为理想而进行的改革,通常与如下几个目的,或意图,或者问题之一有关联

耶鲁公开课 - 美国内战与重建课程节选

we'll send these questions to your TA so any time you get a clicker question wrong and you're confused, bring it up in the next recitation section and you'll be able to discuss it there.

交给你们的助教，所以任何时候,如果你们,答错了课堂问题，或者对它有疑问的话,可以在下次的,讨论课上讨论。

麻省理工公开课 - 化学原理课程节选

And so this is not like a math problem set or a physics problem set. Or, like a high school physics lab, where we all know what the answer should be, and you could fake your lab results anyway.

或是物理问题集合,又或者是高中的物理实验室，我们对这些问题都有确切的答案，或者你可以把你的实验结果改成正确的，有些事情是不能明确界定的。

麻省理工公开课 - 计算机科学及编程导论课程节选

And with some generals or with whoever else, homeland security, how did you go about settling these fights?

或者是和其他官员，关于国分歧家安全问题有分歧，你是怎么处理这些分歧呢？

普林斯顿公开课 - 国际座谈会课程节选

And you also have classes that will give you an insight into, someone is coming to see you, who has an alcohol problem, a drug abuse problem, things you will engage in daily activities, boyfriend girlfriend problems, having trouble in class.

和其他课程，比如,有一个人来找你咨询，他有酗酒或者是吸毒问题，或者其他会在日常生活中遇到的问题，男友女友的问题，课堂上的问题等等。

普林斯顿公开课 - 人性课程节选

Or a subset with the maximum value, there may be more than one, and you're done.

或者是有最大值的子问题集，可能不只一个子问题符合条件，然后就解决问题了。

麻省理工公开课 - 计算机科学及编程导论课程节选

That in many cases, I can gain efficiency if I'm willing to give up space. Having said that though, there may still be a problem, or there ought to be a problem that may be bugging you slightly, which is how do I guarantee that my hash function takes any input into exactly one spot in the storage space?

普遍存在的增益和权衡,在许多的例子中,可以通过牺牲空间而得到效率方面的增加,话说回来，仍然存在一个问题,或者应该会有一个问题困扰着你,就是我如何保证我的哈希函数能够准确将,任一输入映射到相应的唯一的存贮空间中去？

麻省理工公开课 - 计算机科学及编程导论课程节选