When public speaking， pause frequently. Pause before you say something in a new way， pause after you have said something you believe is important， and pause as a relief to let listeners absorb details.

生命中最伟大的事情是保持心灵年轻。

"The most beautiful things are the ones we don't understand."

我返老还童了。

无人机的应用将无处不在。

Stories are the way we make sense of the world, but they are also the way we deceive ourselves.