In his comments to the Middle Class Task Force, which is chaired by Vice President Joe Biden, Mr.Obama offered a preview.

VOA: standard.2010.01.25

But before we do, I wanna make a last couple of comments about the argument we were considering at the end of last class.

但是在这之前，我想要对上堂课结束之前,我们考虑的那些论证,进行最后的点评。

耶鲁公开课 - 死亡课程节选