You want our resources,'" The analysts say only time will tell if the new plan is capable of improving the situation in the region.

VOA: standard.2009.12.06

So what I want to tell you is we also always get the same bond order if we instead only deal with the valence electrons.

我想要说的是我们如果,只考虑价电子也可以得到相同的键序。

麻省理工公开课 - 化学原理课程节选

But that's it. Only if you want to.

但是就这样了。一切都是自愿的。

关于美军 - SpeakingMax英语口语达人

If you want to understand whether compounds form or not look only at the valence shell.

如果你想理解化合物是否形成,而不仅仅只是看看价层。

麻省理工公开课 - 固态化学导论课程节选

So if you're impure at home and just minding your own business, it's no big deal. It's only a problem if you decide you want to go to the sanctuary. So purity and impurity are states of qualification or disqualification for contact with sancta.

如果在家的时候不纯洁，一心只关注自己的事情，这倒不是什么大事，只有当你想去圣所的时候,才是个问题，因此纯洁和不纯洁只是表明了,你是否有资格接触圣所。

耶鲁公开课 - 旧约导论课程节选

So how would we go about solving this problem if I told you not only was there a maximum weight, but there was a maximum volume. Well, we want to go back and attack it exactly the way we attacked it the first time, which was write some mathematical formulas.

有些时候两个都重要,所以如果我告诉你这里不仅有,最大重量还有最大容量，我们应该怎么解决这个问题呢？,好了，我们想回过来然后,和第一次一样看看这个问题。

麻省理工公开课 - 计算机科学及编程导论课程节选

Well, it turns out that if you want to check two conditions and you only care that one of them is true or the other one is true.

好的，结果是如果你想要核对两个条件,你只关心其中一个是正确的,或另外一个是正确的。

哈佛公开课 - 计算机科学课程节选

And so you know that if only you were to read these things in the envelope, you would change your mind and no longer want to go out with her.

所以你知道,只要你看了信封里的内容，你会改变主意,不再想和她约会。

耶鲁公开课 - 死亡课程节选

As an aside, if you ever just have one line of code that you want to execute, one puzzle piece in Scratch terminology, ; you actually don't need the curly braces; you only need the curly braces if you have two or more lines of code that you want to execute if that condition is true.

此外，如果你只有一行代码,需要执行，在Scratch，术语中叫做,一句代码，你就不需要使用花括号了;,如果那个条件成立，你有两行或更多行的代码时需要执行时,你就需要花括号。

哈佛公开课 - 计算机科学课程节选