Here just two, so we changed the number of moles of gas by three. All right, how much did it matter, right?

所以我们将气体的摩尔数,改变了3摩尔，好，它会起多大作用？

麻省理工公开课 - 热力学与动力学课程节选

What were the three strategy decisions--or pick any number--that you now recognize in hindsight were both pivot points of inflection points that really changed the trajectory of the company?

哪些战略决策,能够被视为拐点或者转折点,起到了改变公司发展轨迹的作用？

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选