It's an example of a very common tool that's going to be really useful to us, not just for doing search, but for doing a whole range of problems. That is, in essence, the template the describes a log style algorithm.

不仅仅是做搜索,还可以解决一整类问题,本质上，这个模板就描述了,对数形的算法,我们一会再回来。

麻省理工公开课 - 计算机科学及编程导论课程节选

I'm about to is really useful for using in conversation.

I'm about to”在交谈中是个非常有用的句型。

I'm about to 课堂 - SpeakingMax英语口语达人

One of the things I think was really useful for me developing just how I think about Israel.

我认为有件事对我非常有用,它使我形成了对以色列的看法。

普林斯顿公开课 - 人性课程节选

So this is really useful.

因此它是非常有用的。

麻省理工公开课 - 化学原理课程节选

I actually want to change that around, if I might, and play with that, because that's a really useful image for us: "takes the mask off literature and reminds us how we come to be sympathetic or Richard Wright how we come to think something." Think back to Richard Wright, who wants words to disappear, to be completely transparent and to leave you just with your response.

实际上，我想要改变一点，可能的话，玩弄一下，因为那对我们是很有用的画面：,把文学的面具卸下,我们是如何同情,或思考事物的，回想一下，他希望文字消失，而变成透明的，只剩下你们的回应。

耶鲁公开课 - 1945年后的美国小说课程节选

Well one bit, really not all that useful, two bits still not all that useful. Eight bits?

一个比特不那么有用，两个也不那么有用，八个比特呢？

哈佛公开课 - 计算机科学课程节选

Now this is a really quite useful expression.

这是一个非常有用的公式。

麻省理工公开课 - 热力学与动力学课程节选

So again, these "Can" questions are very useful. You can use them in really any situation.

因此，“Can” 问句确实非常有用。你可以在任何语境中用到它们。

Can 课堂 - SpeakingMax英语口语达人

I pride myself on the fact that people who have taken this course find it useful in their subsequent lives, but on the other hand, I think that it's really interesting.

我很骄傲的说,选了这门课的人,会在以后的生活中用到这些知识,而另一方面,我觉着这是门有趣的课

耶鲁公开课 - 金融市场课程节选

So we are actually using the C99 version of C, which really means nothing useful today other than to realize we are using that version.

所以我们在使用的C语言的C99版本，这对今天来说是没多大用处的,只是告诉我们使用的是那个版本而已。

哈佛公开课 - 计算机科学课程节选

So, a natural product is something that is made by nature, and often natural products, whether it comes from a plant or a marine organism have some really good, useful properties. And so, one particular compound has anti-tumor properties. So, again, along this line of cancer research.

天然产物是在自然界中生成的,通常一个天然产物，不管是来自植物或者海洋生物,都有些非常好非常实用的性质，其中的一个特殊的化合物,可以治疗癌症,再一次我们又来到癌症研究上。

麻省理工公开课 - 化学原理课程节选