VOA慢速英语:How Failure Can Lead to Long-Lasting Knowledge

1.One of the researchers was Vinit Desai, an assistant professor at the University of Colorado Denver Business School.

assistant professor助理教授。前面一篇VOA慢速英语曾经讲过大学的学术头衔，链接地址：

/broadcast/201009/112825_3.shtml

2.Then, in early two thousand three, a piece of insulation struck the Columbia during launch. This time, the shuttle broke apart on re-entry and the seven crew members died.

break apart分裂,裂开,分解

例句：When you tried to saw the wood or to break it apart,you discovered the wood is actually pretty brittle which makes it  virtually impossible to build with.
      当你试图把它们锯断或剖开时，你就会发现其木质实际上非常脆弱，根本无法用来做建材。

3.The mistakes we learn from do not have to be our own.

do not have to没必要，不一定

例句：We do not have to kill to survive.
      设计者完全不必为此而精疲力尽。

      Formal contracts do not have to possess consideration.
      正式合同并非必须有对价。

类似的短语：

not necessarily未必，不一定

例句：Clouds do not necessarily forecast rain.
      云层未必预示下雨。

4.Not long ago I wanted to watch TV, but it wouldn't turn on, so I did everything I could to start it.

I could在这里是定语从句，修饰everything。to start it表示目的。

5.For sure it will be in a very logical place.

for sure无疑

例句：The fighting was over for sure.
      战斗确实结束了。