本研究有鉴于企业资讯系统常因商业规则变更，而导致资讯系统无法使用，因此提出了将商业规则抽离自资讯系统的观念。
Seeing that the business information system isn't enough to be used because of the change of business rules, this study is to bring up the concept dividing business rule and system logic.
企业工程产出的模式必须是物件导向的，因而您可将真实世界里的物件如人、地方、及事物等，几乎能一对一密切对应到资讯系统里的物件。
'the models should be based on objects because then you get a very close mapping between real objects like people, places, and things and objects in the information systems.'
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