这个不是程序是一个关于流程设计的一片文档，这个文档在开发流程设计的时候很有好。自己感觉在开发轻量级的flow的时候比较好的-This is not the program is a piece of documentation on the process design, process design in the development of this document is very good time. His sense of the flow in the development of lightweight good time