MVC为更干净的前端代码铺平道路。

MVC paves the way for cleaner front end code.

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前端代码只有通过调用这些XML - RPC才能够接触到底层数据。

The front-end code can only get to the underlying data by making these XML-RPC calls.

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转换数据库厂商或设法集群数据库服务器将意味着完全改变您的前端代码。

Switching database vendors or trying to cluster the database servers would mean changing all your front end code.

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