During a recent trip to Ukraine, U.S.Vice-President Joe Biden reaffirmed Ukraine's right to join NATO.

VOA: standard.2009.09.04

I don't know how much you read about the-- right now we are going through a major financial crisis, which started in the U.S.

我并不知道你读了多少...,现在我们正在经历一个严重的金融危机,它起始于美国

耶鲁公开课 - 金融市场课程节选