So, let's go ahead and make sure we can draw that, if we have interest either in the area of organic chemistry or biochemistry or biology here.

那么，让我们来确认一下我们已经学会怎么画了，如果我们对有机化学,生物化学或者生物学中的任何一个领域感兴趣的话。

麻省理工公开课 - 化学原理课程节选

And we need not, we just make sure we can't do that So, go ahead, we've got you on number The 1980's and 1990's, this deal seemed to work.

这一点我们必须明确,那么。。。说吧，该给的数据我都说了,其实，八，九十年代那会儿，那个协议还是起过作用。

斯坦福公开课 - 经济学课程节选