我有一个非常简单的想法,如何变富。第一,花得比赚得少;第二,明智地投资差额。
I have a very simple idea on how to get rich. The first is to spend less than you make, and the second is to invest the difference wisely.
管理复杂性的关键在于关注组件之间的接口,而不是它们的内部细节。