You must also consider the analysis and design of elements, such as user interface, human behavior, and of course business rules.

此外还必须考虑其他部分的分析和设计，例如用户界面，人的行为，以及业务规则。

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One of the essential reasons for engineering accident is that the human engineering behavior violates the rules of engineering safety.

工程安全事故产生的根本原因之一是人员的工程行为违背了工程安全的客观规律。

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Freedom of action is one of the inviolable rules of human behavior.

行动的自由是人类行为中不可侵犯的原则之一。

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But in the real world, where human behavior rules, we see the 30 years of terrible results that have been wrought by unions.

FORBES: Dunce Glut