The relationship defines a static relationship for the non-primary key state property for each of the four business objects.

该关系分别为这四个业务对象的非主键 state 属性定义一个静态关系。

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Each of the four roles must now have its key set to the property that correlates across the relationship (for example, id). To set the key property (alias, key attribute).

这四个角色中的每一个都必须将其键值设置为关系中相互关联的属性(例如id)。

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The relationship defines a dynamic relationship for the primary key id property for each of the four business objects.

关系定义了这四个业务对象的主键 id 属性之间的动态关系。

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