提取通用行为并把它们包含在泛型 DAO 中，让类的所有用户通过泛型 DAO 访问这些功能，这样就可以减少代码重复。
You can reduce code duplication by abstracting the common behavior and including it in the generic DAO, where all users of the class will have access to the functionality.
过滤器扩展功能将帮助提供更完整的输入评估，同时减少重复代码编写工作。
The filter extension helps provide more complete assessment of input while reducing repetitive code writing efforts.
常用于减少代码行数和重复表达的串联字符串对于开发人员来说可能比较方便，但是有时候会导致全球化阶段需要付出更多的努力。
Concatenation strings, usually used to reduce the code lines and duplicated expressions, can be convenient for developers, but sometimes they can require more effort in the globalization phase.
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