In the article Bejeck is trying to create components with a mixture of inheritance and composition, and enforce separation of concerns, especially between view and business logic.
Bejeck在文章中试图创建混合了继承和组合关系的组件，实施分离关注点，尤其是分离视图和商业逻辑。
There are four types of relationships that an object can be involved with: inheritance, association, aggregation, and composition.
对象之间有四种类型的关系：继承、关联、聚合和组成。
We find object inheritance hierarchies and object composition hierarchies.
我们可以看到对象继承层次结构和对象组合层次结构。
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