This time,scientists hope to learn more about the formation, wind speed and shape of tornadoes.

VOA: special.2009.06.09

Well, you know, it goes back to the beginning of the formation of the personal computer industry, which--that sounds like a long time ago.

嗯，你知道，这要追溯到,个人电脑产业的形成初期，听起来相当久远了。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选