Pattern 2: Simple inquiry with secondary data views.
模式2:对辅助数据视图的简单查询。
Pattern 3: Inquiry with aggregated secondary data views.
模式3:对聚合的辅助数据视图的查询。
The second level contains the private areas: the main and secondary room, both framing special views of the valley.
第二个层是私人活动的区域:主卧和次卧,这些房间都可以欣赏到山谷的优美景色。
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