World leaders have already tried to temper expectations, warning that the current crisis did not come about overnight and will not be resolved in such short order either.

VOA: standard.2009.04.01

In order to do this experiment, we're going to look at three short excerpts of popular entertainment.

为了做此实验，我们先来看三个大众文艺节目的片段。

耶鲁公开课 - 公正课程节选