Your first responsibility in that role is to make sure the president is well prepared as possible to do his job.

我们的首要任务,是确保总统,做好充分准备,来开展他的工作。

普林斯顿公开课 - 国际座谈会课程节选

Your job is making sure somebody else is well prepared as possible to do his job.

我们的工作其实是确保,另外一个人准备好,来开展他的工作。

普林斯顿公开课 - 国际座谈会课程节选

So-- if you don't feel comfortable doing it, don't do it-- what I'd like to do now is as following: Take your thumb and your middle finger and create as much as possible a 90 degree angle.

感觉不舒服的，就不要做，希望按下面的指示做：,让你的姆指和中指,尽可能形成一个直角。

哈佛公开课 - 幸福课课程节选