Layering also promotes loose coupling, because the internal workings of each layer can be changed without affecting other layers or applications.
分层还促进了松散耦合，因为可以更改每层的内部工作，而不影响其他层或应用程序。
If you use third-party mapping tools to do the mapping, then your application is tied to that tool, creating a tight coupling between the domain layer and database layer.
如果使用第三方映射工具进行映射，则应用程序将绑定到该工具，从而在领域层和数据库层之间形成了紧密耦合。
One thing that's often not appreciated about Loose-Coupling is its impact on the Modularity layer.
松耦合一般不会注意它对模块化层的影响。
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