如果您将中介或相关联的转换视作第一个类服务，则最终将使应用程序的真实用途变得模糊。

If you treat the mediations or the associated transformations as a first class service, you eventually obscure the real purpose of the application.

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为了访问关联结尾，你需要访问模型拥有的类，或者访问关联，或者两者都访问(如果可浏览的和不可浏览的结尾都要处理)。

To access the association ends, you need to walk the classes owned by the model, or walk the associations, or both (if both navigable and non-navigable ends are handled).

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如果当前用户的ID与公告的关联用户ID相同，那么就包含hl_yellow类。

The hl_yellow class is included if the current user's ID is the same as the announcements associated user ID.

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