"Tonight, with a thankful heart, I have asked for a final opportunity to share some thoughts on the journey we have traveled together and the future of our nation."

VOA: special.2009.01.17

Why don't we go ahead for those of you who need a bit of a rest bit, let's take a two minute break and we'll resume with just some final thoughts on 50.

好吧我们先休息两分钟,然后再重新回到课上来,再讲一下对于这门课的一些最终的想法。

哈佛公开课 - 计算机科学课程节选