The string is a stark data structure and everywhere it is passed there is much duplication of process. It is a perfect vehicle for hiding information.
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。
【译文】力气单薄就不要去背负重物，说话没分量就不要规劝别人。没有钱就不要到人群中去，遇到危难千万别去求亲戚。
The best designs come from understanding the problem deeply and then finding the simplest solution.
刀展示了锋利，而试刀砍头的人将遭到不祥。