However, mapping corresponding operations requires only a line between them, while mapping data can be more complex.
然而，映射对应的操作只需在它们之间绘制一条线，而映射数据可能会更复杂。
This also frees you from low-level data conversion and mapping tasks, and enables you to focus more on business logic development.
而且您再也不用执行低级数据转换和映射任务，使您能够更多地关注业务逻辑开发。
The more data, the more mapping information and Pointers required for memory translation and the maintenance of them.
数据越多，内存转换和数据维护所需的映射信息和指针也越多。
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