But the cleaning is probably the most useful part of this whole thing."

VOA: standard.2010.04.01

One useful thing about separating receptors into types or families is that we found that many different receptors work by the same basic underlying mechanism.

我们将受体进行分类的一个依据,就是我们发现,很多受体有相同的作用机制

耶鲁公开课 - 生物医学工程探索课程节选

The thing is" is very useful to stop people in their tracks.

当你想阻止某人在他们设想的路上走下去的时候，“The thing is”句型是个非常有用的句型。

The thing is 课堂 - SpeakingMax英语口语达人

So again, if you do a calculation where you're close enough to the ideal gas and you need to design your, if you have an engineer designing something that's got a bunch of gases around, this is a useful thing to use.

要研究近似理想气体的表现时,这个方程非常有用,下面再来看一个，对我们来说最有意思的,实际气体状态方程：,范德瓦尔斯方程。

麻省理工公开课 - 热力学与动力学课程节选

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

So let's take a look then at somewhere where this is actually a useful thing to know so this is compare1.c. So, in compare1.c I've stripped out the comments in my version but in your version you do have comments for reference and it's actually pretty self-explanatory if you just read through the code.

那么再然我们看一看,一些有用的东西,这是compare1。c，所以在compare1。c中，在我的版本中,我吧注释去掉了,但是在你们的版本中是有注释的,这是相当容易理解的,如果你通读这段代码。

哈佛公开课 - 计算机科学课程节选

But it's a valuable thing. It says, in each case, I return some useful value from this procedure.

但是这就是变量，是在每个例子中，我从这个程序中返回了一些有用的值。

麻省理工公开课 - 计算机科学及编程导论课程节选

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

And this is actually a useful thing to know.

这是一个很有用的理论，大家都应该记住。

耶鲁公开课 - 心理学导论课程节选

OK. All right, let me show you one other tool that I want to use. Which is, I've written that piece of code, I ought to check it. Well, I could just run it, but another useful thing to do is, I'm, especially as I want to debug these things, is to simulate that code.

好，那么，让我给大家讲下,我想用的另外一个工具吧,也就是，我已经写好了这一块代码，我应该去检查检查,那么我可以去运行它,但是特别是当我想要调试代码的时候。

麻省理工公开课 - 计算机科学及编程导论课程节选

I still have to do this process and here is where the finger thing gets a little more useful 'cause I have longer lists.

我仍需要进行这一步骤,在这儿手指的方法就比较有用，因为,列表比之前的要长。

哈佛公开课 - 计算机科学课程节选