System execution as a whole is the successive deployment of all the pieces in a giant and complex firework, all resulting directly or indirectly from the initial lighting of a minuscule spark.

• 系统的执行整体上就象是在一个巨型和复杂的烟花上的所有片断的连续部署，所有的结果直接或间接的起因于一个最初的微小火花。