Principle 4: Divide et impera - Decompose by business worker
原则 4：分解和规则 – 通过业务参与者分解
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The motto attributed to Caesar, "Divede et impera," 4 is as applicable to systems and software development today, as it was for managing the Roman empire two thousand years ago.
凯撒的格言“Divede et impera”4也适用于今天的系统和软件开发，因为它是两千年以前用来管理罗马帝国的。