Range queries ask "what's inside this box?" But sometimes the question is "what's nearest to this location?" This is the nearest neighbor problem, and you don't know how big your search radius should be. The nearest point might be right next to you or far away.
成本压力固然严峻，却并非八大民营酒店集团旗下门店数量骤减的深层主因。细察数据可见，头部、腰部与尾部民营酒店集团之间的规模鸿沟与扩张节奏正急剧拉大，行业分化已进入加速通道。
，这一点在同城约会中也有详细论述
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用
South Korea's 'movie of the year' is an indie story about a teen's trauma