Okay, not to dwell too much on math because you can very quickly bore someone in computer science by dwelling too much on math but it's useful even for logical constructs as we'll see with loops.

不要过于纠结于这些数学问题了,在计算机领域，你会很讨厌那些,在这上面钻牛角尖的人，但是对于那些,像循环这样的逻辑结构又是很有用的。

哈佛公开课 - 计算机科学课程节选

But I think, yeah, practicing in the country where this language exists is very useful.

但是我想，是的，在这个说英语的国家练习英语很有用。

学习英语的理由 - SpeakingMax英语口语达人

This chart, very boring and uninteresting but useful to say there are very well defined rules as to when you're writing code, what operators, like what syntax should get evaluated first.

这个图表，看起来很烦，很无趣，但是它很有用,有非常明确的规定,譬如，当你写代码时，就会涉及操作符的优先级。

哈佛公开课 - 计算机科学课程节选

This probably is not because use of eating utensils is human nature, but rather, it's because it's just a very useful thing that cultures discover over and over again.

之所以都用餐具,并不是因为使用餐具是人类本性,而是因为,所有文化都不断发现,餐具非常的实用

耶鲁公开课 - 心理学导论课程节选

It turns out that cells receive signals or information from the rest of the body in a variety of ways, but there's one way in particular that's a very useful way for thinking about how cells receive most information.

研究证明,细胞内有很多,接收体内其他部位信号或者信息的方式,但有一种特定的方法十分有用,这种方法使细胞能最大程度地接受信息

耶鲁公开课 - 生物医学工程探索课程节选

It turns out we can express all these functions in terms of G, G we wouldn't need to choose G, but it's a very useful function to choose.

最终我们能把所有的这些函数,用自由焓G表示出来，我们没有必要选择，但是这个选择很有用。

麻省理工公开课 - 热力学与动力学课程节选

But as long as you remember that distinction, it's a very useful pattern.

只要你记住了二者的区别，这将会是一个非常有用的句型。

How can I 课堂 - SpeakingMax英语口语达人

The "who" questions are of course simple but they're very useful.

Who”问句特别简单，但也非常有用。

Who 课堂 - SpeakingMax英语口语达人

And we've only just begun using it, but it has just a bunch GetInt GetString GetDouble of very useful functions like GetInt, GetString, GetDouble, And so as those names imply, you can just cull these functions with no arguments and you'll get back that data type based on its name.

我们刚开始使用了它，里面有很多的,有用的函数，像，所以，那些名字暗示，你可以挑选这些,没有参数的函数，然后你可以通过它的名字,获取他们的数据类型。

哈佛公开课 - 计算机科学课程节选

If you want to remember your dream by the way keep your dreams--keep a dream diary, very useful, but everybody dreams three to four times a night.

如果你想记得自己梦见什么,那就写一本梦境日记，这是非常有用的，每个人平均一晚作三四次梦。

耶鲁公开课 - 心理学导论课程节选

If you have a real gas and you write du is Cv dT and your path is not a constant volume path, then you are making a mistake. But for an ideal gas, you can always write this. And this turns out to be very useful to remember.

对于真实气体，如果其变化过程,不是恒容的，du=Cv*dT就不成立，但对于理想气体,这条规则永远成立,这一点非常有用，请记住。

麻省理工公开课 - 热力学与动力学课程节选

Here's an example where we'd like to make insulin, or having the insulin gene would be useful, but if we could take the insulin gene and make many copies of the insulin protein that would be a very useful thing.

例子就是我们人工制造胰岛素,胰岛素基因就很有用,但如果我们可以用胰岛素基因,复制很多胰岛素蛋白,这将会是非常有裨益的一件事

耶鲁公开课 - 生物医学工程探索课程节选

It's used to treat people that have - you've heard about Epo and blood doping, but it's a therapeutic protein as well and very useful for patients with anemia.

它用于治疗--,你听说过EPO,还有血液回输,而这也是个可用于治疗的蛋白质,治疗贫血很有效

耶鲁公开课 - 生物医学工程探索课程节选