I think it was because it was a unique moment in American higher education.

我觉得这是因为那时是,美国高等教育的特殊时期。

普林斯顿公开课 - 人性课程节选

We are living in very unusual times and I am sure that Ben Bernanke and other central bank presidents are losing sleep right now because this is a time to challenge monetary policy makers.

我们现在正生活在一个非常特殊的时期,并且我很肯定本？伯南克,和其他中央银行行长们,正在日夜担忧，因为,现如今是一个挑战货币政策制定者的时代。

耶鲁公开课 - 金融市场课程节选