We must invest in people as much as we invest in technology.

文章以气势为主，气势的清新或浑浊有其内在规律，不能勉强达到。

当随机化不可行时，匹配方法可以是一个强大的工具。

你爱得越多，失去得越多。

The first step in quality improvement is to understand what the customer really wants.

所以君子严于律己、宽以待人，而平庸的人却宽以待己、严于律人。