The Rock and Roll Hall of Fame is celebrating its twenty-fifth anniversary with two concerts later this month in New York City.

VOA: special.2009.10.19

one is to look at the sequence of event, look at these sequence in October 29, stock market crashed, two month later, 9% unemployment peaked at 9%.

一种是看看事件发生的时间，看看顺序,10月29号，股票市场崩溃，两个月后，失业率上升到。

斯坦福公开课 - 经济学课程节选

Meanwhile, Russia has pulled out of ministerial talks with NATO scheduled for later this month to protest the expulsion of two Russian diplomats from its mission at alliance headquarters in Brussels.

VOA: standard.2009.05.05