属于地址信息的其他列不能映射，是因为它们位于另一个列表下。
The other columns that belong to the address info cannot be mapped since they are under another list.
选项散列的“to ”元素将映射到服务的地址位置。
The "to" element of the option hash is mapped to the address location of the service.
选项散列的“to ”元素将映射到服务的地址位置。
The "to" element of the option hash is mapped to the address location of the service.
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