And again, I've written for you, but you can figure out what the electron configuration is just by writing up in this order here.

同样，我已经写出来了，但你们可以把这个写出来,就知道电子轨道构型是什么。

麻省理工公开课 - 化学原理课程节选

I need to know how long, so that I can let my roommates know.

我得知道大概有多久，这样我就可以告诉我的室友们了。

How long实战 - SpeakingMax英语口语达人

I think the objective ,yeah and that will help define what we should be doing.

我觉得目标是，有了目标就可以知道我们现在该干什么。

普林斯顿公开课 - 国际座谈会课程节选