命令式语言程序员将对不使用流程控制就可以完成的工作而感到惊讶；如果不使用它，很多工作会更加简单，这将使他们更为惊讶！
Programmers of imperative languages will be surprised by what you can do without flow control; they'll be even more surprised at how much easier many tasks are without it!
通过流程控制达到了不同的人员拥有不同的权限，其中管理员拥有最高的权限。
Through the process control to a different staff have different authority, which administrators have the highest competence.
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