What is the class of algorithm that's- that probably applies to this, and how do I pull something out of that, if you like, a briefcase of possible algorithms to solve?

以及哪种算法-,可能可以应用到这类问题上,问题本身又能提取出什么东西来，以及可能解决问题的一系列方法的简介？

麻省理工公开课 - 计算机科学及编程导论课程节选

But yeah, most of the time I'm just working out with pull-ups and whatever else there is here.

不过大部分时候我就是做做引体向上还有这里的随便什么。

喜欢曲棍球 - SpeakingMax英语口语达人

Moreover, instead of having a strap he had this thing that--a rigid thing-- that you pull out from this-- you know what I'm talking about?

而且他也没用皮带,而是用的现在大家都知道的把手去拖-,你们知道我说的什么吧？

耶鲁公开课 - 金融市场课程节选

I have a 26-foot, pull-behind camper

我有一个26英尺的后拉式的野营车，

拍照的理由 - SpeakingMax英语口语达人

He had a suitcase that--I don't know exactly, something like this--had a strap that you'd pull it along and it had four little wheels on the bottom and it worked.

他的行李箱。。。我知道的不太确切，应该是这样的，那上面有一条带子,你可以拉着它,而箱子底部有四个小轮子可以使箱子滑动。

耶鲁公开课 - 金融市场课程节选