序列图是一个用来记录系统需求，和整理系统设计的好图。

The sequence diagram is a good diagram to use to document a system's requirements and to flush out a system's design.

youdao

不需要整理系统.Leo上周在twitter上写道:"不要组织,简化."

No need for organizing systems. On twitter last week Leo said: “Don’t organize.

youdao

这是一种老生常谈的整理系统，但是这可能是最重要的一个：把东西放在其专属位子。

This is one of the oldest organizing truisms around, but it is probably the most important of all: a place for everything, and everything in its place.

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