They are steps that are working." Bernanke says the Federal Reserve and other economic policy makers have been challenged by unprecedented events in the past few years, but his objective has not changed.

VOA: standard.2009.08.25

But all that is changed by events.

但一切因为这一事件改变。

耶鲁公开课 - 现代诗歌课程节选

But all that is changed by events.

但一切因为这一事件改变。

耶鲁公开课 - 现代诗歌课程节选