开发庞大的应用程序是一件费时费力的工作，所以当我编写了部分(希望是)设计优良的代码后，我希望这些代码能保持不变。
Producing large applications is a lot of work, so when I write a piece of (hopefully) well-designed code, I want that code to stay written.
但是，很多时候存在一组采用相同方式访问数据源的EJB组件，反复地定义相同的资源引用就成了一件非常费力的工作。
However, many times I will have a group of EJB components that access the data source the same way, and it becomes a big pain to define the same resource reference over and over again.
但是，很多时候存在一组采用相同方式访问数据源的EJB组件，反复地定义相同的资源引用就成了一件非常费力的工作。
However, many times I will have a group of EJB components that access the data source the same way, and it becomes a big pain to define the same resource reference over and over again.
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