He was asked if there was any good news at all in the report: "To be honest,no.

VOA: standard.2009.04.03

So, what we do as our seventh step is then figure out if we have any extra valence electrons left at all.

那么，第七步要做的是看看,我们还有没有剩下的价电子。

麻省理工公开课 - 化学原理课程节选

People can't pay that, if they're in any trouble, they can't come up with the whole value of the loan all at once.

如果人们遇到困难,将无法一次性凑齐这笔大额款项

耶鲁公开课 - 金融市场课程节选

So, in fact we may not find a sock at all and yet we don't seem to handle that at all unless if we don't find any socks, what do we do?

实际上我们可能找不到袜子,并且不用处理那些事情,前提是我们没有找到任何袜子，我们做什么呢？

哈佛公开课 - 计算机科学课程节选

Now,but the railroads,if you look at the map of the railroads in France, at any time you want including now, all roads lead--all tracks lead to Paris.

无论何时,如果你观察巴黎的铁路线,就会发现,每条路都通往巴黎

耶鲁公开课 - 1871年后的法国课程节选

So, hopefully that kind of clears up that question. And, of course, when the velocity actually is zero, this equation that the de Broglie has put forth is valid for anything that has momentum, so if something does not have any velocity at all, it actually does not have momentum, so you can't apply that equation anyway.

能回答你的问题，当然，如果速度真的是零的话,德布罗意提出的这个方程,只对有动量的物体成立,所以如果一个东西没有速度，它没有动量，也就不能应用这个方程。

麻省理工公开课 - 化学原理课程节选