下一个演进是对象语言，它将状态变量结构和影响它们的操作捆绑为实体，成为类对象。
The next evolution was object languages, which bundled the state variable structures and the operations that affected them into entities called class objects.
伙伴链接在部署时被捆绑在一起，因而可以在不改变流程结构的条件下替换服务供应者。
Partner links are bound at deployment time, therefore service providers can be substituted without changing the process structure.
这种实践并没有增加Eclipse中的项目结构的复杂性，相反，它的好处是可以更轻松地交换出实现捆绑包。
This practice does make the project structure in Eclipse a bit more complex, but the benefit is that you can swap out the implementation bundles much more easily.
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