One time I fell asleep and woke up in the middle of a different class.
有一次我上课睡着了，醒来时发现竟然已经在上另一节课了！
The query is the same, and the result is just cast to a different class.
查询是相同的，只是把结果转换为不同的类。
A common architectural strategy is to layer your application into different class types.
一个通用的体系结构策略就是把应用程序分层为不同的类类型。
A common architectural strategy is to layer your application into different class types.
一个通用的体系结构策略就是把应用程序分层为不同的类类型。
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