┌───────────────────────┐
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.
，这一点在旺商聊官方下载中也有详细论述
來自中國安徽、兩年多前透過「走線」進入美國，目前生活在路易斯安那州巴吞魯日（Baton Rouge）的陸乾坤說，過去兩年的農曆新年，他都會飛去洛杉磯、拉斯維加斯等其他城市，與朋友見面聚會，並且度過節日。
fuglas (Modern English "fowls" but German cognate is closer)