The sources are: one,the plasmid vector that we've picked, and the second is these genes that for some reason we're interested in.

第一个是我们选择的质粒载体,第二个是我们感兴趣的基因

耶鲁公开课 - 生物医学工程探索课程节选

The second reason why we should that is because you'll remember more.

第二个原因是，你会记住更多。

哈佛公开课 - 幸福课课程节选

And concomitantly a second reason is that that Civil Rights revolution also brought, through its process, a huge discovery at the same time of Northern racism, when Martin Luther King brought the movement to Chicago and nearly got killed doing it.

还有第二个理由就是,民权运动的经过也带来了一个大发现,那就是北方的种族主义,当马丁路德金把运动带到了芝加哥,他差点因此丧命

耶鲁公开课 - 美国内战与重建课程节选

And the reason that we now on the second line have the equal sign is because this function GetString has what's called a return value.

我们之所以,在第二行代码GetString前面加上等号,是因为这个函数会带回一个,返回值。

哈佛公开课 - 计算机科学课程节选