字符串是一个严格的数据结构,在传递字符串的任何地方都存在很多重复的过程。它是隐藏信息的理想工具。
投资者的主要问题——甚至他最坏的敌人——可能就是他自己。
The art of doing mathematics consists in finding that special case which contains all the germs of generality.
Given the choice between the experience of pain and nothing, I would choose pain.