At least two rockets fired from Lebanon crashed into northern Israel, breaking a calm along the border that has prevailed since January.

VOA: standard.2009.09.11

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

Almost everyone in this room has probably had a segfault at some point or core dump where you end up with this random file called core, which recall is just the contents of memory at the time your program crashed.

几乎这个教室里的所有人，在某个时候,都遇到过段错误，或者通过这个core文件的,存储器内核更新，这就是你的内存出现错误,你的程序崩溃掉了。

哈佛公开课 - 计算机科学课程节选

The aircraft crashed while the 60-year old President Kaczynski was on his way to memorial ceremonies at Russia's Katyn area, where 22,000 Poles were killed by Soviet forces,70 years ago.

VOA: standard.2010.04.10