"I don't think at this point there is evidence that that can be done in a consistent way because people do tend to regain weight."

VOA: standard.2010.07.16

I think we can see demonstrative from these charts, that man has done a rather admirable job of imitating the human brain.

我觉得我们可以从这些图表中看到一些说明，人们做了一个非常令人钦佩的工作,来模仿人类的大脑。

哈佛公开课 - 计算机科学课程节选

I think we can all see that we might not have done.

我们都担心可能会协调失败呢

耶鲁公开课 - 博弈论课程节选