Every once in a while, you may find that the best way to maintain control of a presentation is to do something that others would consider insane.

你会经常发现，保证你对演讲主导权的最好方法就是做出一些被人认为荒谬的事情。

youdao

But in the meantime, surely we can, every once in a while, sit down and actually do something that helps the American people right here and right now.

WHITEHOUSE: President Obama��s News Conference on Deficit Reduction