在这个巨大的因果链中，没有一个事实可以被孤立地考虑。

The world needs your voice, don’t be afraid to use it.

The most important thing in communication is hearing what isn't said.

The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.

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。