Can I multiply the ? by the 4 just to save myself some time?

我先算?乘以4吧,这样省事儿

耶鲁公开课 - 博弈论课程节选

Actually, let's save myself some time and bring this down.

我把这块黑板拉下来吧

耶鲁公开课 - 博弈论课程节选

Actually it sort of strucks me like that that's certain message sort of time and I think of computer now. People always use them. I thought that save us time. Some've seemed to have more work.

事实上在某种程度上它震慑到我,那是某种关于时间的信息,此刻我想到了电脑，人们总是应用它，我以为,它节省了时间，但人们似乎有更多了事要做了。

麻省理工公开课 - 电影哲学课程节选

if you don't want to use that, you can also derive it as we did every time, it should intuitively make sense how we got there. But the exams are pretty short, so we don't want you doing that every time, so we'll save the 2 minutes and give you the equations directly, but it's still important to know how to use them.

吸收的和发射的，如果你不想用公式,你也可以每次都向我们这样推导它,很直观的就能得到结果，但考试时间很短，我们不希望你们每次都推导,所以我们会直告诉你，让你节省2分钟，但知道如何应用它十分重要。

麻省理工公开课 - 化学原理课程节选