Here's the big critical difference with Ebola: a travel history and the history of any particular risks is absolutely crucial.

旅行经历和任何特定的风险至关重要。

But there is another difference, in addition to their openness and competitiveness, that distinguishes our universities from our schools, and I think it may be the most critical difference of all.

但是，除了开放性和竞争力之外，还有另一个区别使我们的大学区别于我们的学校，我认为这可能是所有区别中最关键的区别。