其中一些是口头的，一些是直接写的书面的。

We make some of them verbally or in writing directly.

youdao

首先，为什么不直接写注意自己呢？

First of all, why not just write the note yourself?

youdao

不像大多计算机语言，C允许程序员直接写内存。

Unlike most computer languages, C allows the programmer to write directly to memory.

youdao

So I could have written right here immediately CvdT equals Cv dT, and that was the end of my derivation.

于是我在这里就可以直接写,来它等于，完成了整个推导。

麻省理工公开课 - 热力学与动力学课程节选

I'm out of numbers so I can just write down the 7 and now, if you're following along, what step comes next?

再没有数字了，所以直接将7写下来，下一步是什么？

哈佛公开课 - 计算机科学课程节选

Let's try to do part of it in the head, so I can just write down the answer.

让我们先试试前面的一部分,我就直接写答案了

耶鲁公开课 - 基础物理课程节选