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.

养猪是个技术活，不是谁都能养好的。

Profitability without responsibility is the most short-sighted business strategy.

实现明天的唯一限制是我们今天的疑虑。