Things like addition and multiplication, which we saw not only apply to numbers, but we can use them on things like strings and we're going to come back to them again.

就像加法和乘法，我们已经学习过，它们不仅仅可以应用于数字，还可以用到字符串上,我们今天还会再讲讲。

麻省理工公开课 - 计算机科学及编程导论课程节选

OK. Now, last thing about variables, and then we're going to start pushing on this, is where can you use them?

好，关于变量的最后一件事，然后我们就要，结束这个话题了，这个问题就是在什么地方可以应用变量？

麻省理工公开课 - 计算机科学及编程导论课程节选

So it turns out that we can, in fact, use the energy levels to predict, and we could if we wanted to do them for all of the different wavelengths of light that we observed, and also all the different wavelengths of light that can be detected, even if we can't observe them.

事实上我们可以用能级预测,而且如果我们想的话，我们可以,对所有观测到的光的波长预测，也可以对所有探测到的光预测,即使我们看不到它们。

麻省理工公开课 - 化学原理课程节选

The other pathway that I think is very promising is now to use stem cell generated cells in culture dishes to use them for high throughput drug screening now we can test thousands of different drugs without killing so many animals.

第二个目标的前景相当广阔,我们可以用干细胞,在培养皿中大量繁殖各种细胞,用于大剂量的药物试验,让你无需屠戮动物,就能进行各种药物试验。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选