But these days you pay for it which is why you get SSDs, you're paying several hundred dollars more.

但是现在你购买固态硬盘，需要多花费几百美元。

哈佛公开课 - 计算机科学课程节选

What really matters to you as an investor is how much you have to pay today to get $100 in sixty days.

对于一个投资者来说,重要的是,现在你需要支付多少钱,才能在60天后获得100美元

耶鲁公开课 - 金融市场课程节选

So that's where you have to think about whether it's positive or negative.

你就要想想，它是正还是负,你们现在不需要。

麻省理工公开课 - 化学原理课程节选

Now you need to define the temperature scales.

现在你需要定义温标。

麻省理工公开课 - 热力学与动力学课程节选

Imagine now you want to do faces.

想像一下现在你所需要面对的。

麻省理工公开课 - 计算机科学及编程导论课程节选

Right now what you want to make sure is that there is a time that's available... right now all the times are available... but that there is a time that works for you.

现在你需要确定的,是你有现成的时间。,目前所有的时间都是现成的。,而且要有你可以使用的时间。

耶鲁公开课 - 死亡课程节选

Now the bases, and you don't need to memorize the structures of these I'm going - I'm describing the whole molecule to you in its molecular detail and then we're going to simplify it down to a version that we can talk about more easily.

现在讲碱基,你不需要记住这些结构,我将给你们详述整个分子,的结构细节,然后我们把它简化为一个模板,使我们更容易讨论

耶鲁公开课 - 生物医学工程探索课程节选

Now that's changing the more years that pass the more of you have 64-bit computers and the more servers have many, many gigabytes of RAM and so you need actually 64-bits, but for now let's assume a common system whereby a pointer just by definition of the homework is 32 bits.

现在计算机也在改变，也有更多的人,使用64位的计算机，更多的服务器有很多，很多G的内存，那样你就需要64位的，现在我们假设通常的系统中,根据家庭作业所定义的，一个指针为32位。

哈佛公开课 - 计算机科学课程节选

I don't care how you do it on exams or on problem sets, but you do need to be aware that the 3 d once filled is lower in energy than the 4 s, and the reason you need to be aware of that is if you're asked for the electron configuration now of the titanium ion.

我不关心你们在考试或者,问题集中如何做它，但是你们的确需要知道3d一旦被填充,它的能量是小于4s的，你们需要知道这个的原因,是如果你现在被要求,写出钛离子的电子构型。

麻省理工公开课 - 化学原理课程节选