这样你可以自由的进行方法命名，既可以对查询定义实现完全控制，又不必担心那些查询模板代码。
This gives you freedom in naming methods the way you like while preserving the full control over the query definition without bothering you with the boilerplate query execution code.
不过，如果允许太多自由空间的存在，则可能导致查询时需要读取额外的页，这反而大大违反了使用群集索引的本意。
Allowing too much free space, however, could cause extra pages to be read for queries and largely defeat the purpose of using a clustering index.
你可以自由的进行精确的CRUD操作、执行查询和规范等。
You get sophisticated CRUD operations, execution of queries as well as specifications for free.
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