So, the take-home message is whether you have three photons or 3,000,000 photons that you're shooting at your metal, if you're not at that minimum frequency or that minimum energy that you need, nothing is going to happen.

所以，这里表明的信息是,无论是向金属发射3个光子,还是300万个光子,如果没有达到所需的最低频率,或者最小能量,什么事情都不会发生。

麻省理工公开课 - 化学原理课程节选

Either that you are certain of something, that you are not certain of something,

一种是表达你对某件事情很有把握或者并没有什么把握，

I'm sure 课堂 - SpeakingMax英语口语达人

So that's the second thing I've just highlighted here, is that I now have the ability to check whether it does the right thing.

你知道的，一个虚数,但是返回虚数就没有什么价值了,那么这是我想要强调的第二件事情。

麻省理工公开课 - 计算机科学及编程导论课程节选

Can't have told that perfectly that story I'm sure so any questions?

我觉得我没有把这个事情讲得很完美,那么有什么问题吗？

哈佛公开课 - 计算机科学课程节选

And without them you wouldn't do anything, you couldn't do anything.

没有情感，你什么也不能做，你不能做任何事情。

耶鲁公开课 - 心理学导论课程节选

but there's not many things better than just having a coffee in Covent Garden

但是没有什么事情比在科芬园喝杯咖啡更美好了，

科芬园的氛围 - SpeakingMax英语口语达人

So, basically what he's saying here is we pretty much understand what's going on there's nothing new to really discover, all we need to do is measure things more precisely.

他的意思也就是说,我们对世界上的所有事情,都很了解了，没有什么新的东西尚待发现的,我们剩下要做的就是。

麻省理工公开课 - 化学原理课程节选

But at the end of the day, this program does in effect nothing because I'm not printing the answer, I'm not saving the answer, I'm not doing anything with the answer.

但最终这个程序都不会做什么有效地事情,因为我没有把答案打印出来，我没有保存那个答案，我没有对那个答案做相应的操作。

哈佛公开课 - 计算机科学课程节选

And just as with variables, you should use some common sense, some style here, and the function's name should X Y communicate what it does, calling it X or Y or Z is generally not all that helpful.

就像变量，你使用一些常识，一些类型，和函数名需要,传达它所做的事情，把它叫做,或者Z通常是没有什么用处的。

哈佛公开课 - 计算机科学课程节选