所有这些特性都不需要对系统进行特殊的编程。
All of these features happen without specifically being programmed into the system.
在生活中我们经常处于一种特殊的平衡之中，即当我们无法和所有正在进行的一切和平共处时，我们却已经习以为常或者已经开始接受这种不平衡。
In life we often get in a particular state of equilibrium when we are not completely at peace with everything that is going on but we get used to it and learn to accept it.
系统还可以标出某些目录中超过预定义阈值的所有消息以便进行特殊处理。
The system can also flag all messages with certain categories over a pre-defined threshold for special processing.
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