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.
江门市新会区老粤匠健康产业有限公司负责人向记者出示“新会陈皮”证明商标授权证书，明确承诺无论原料产自何处，委托其生产的产品均可标注“新会陈皮”字样。。关于这个话题，safew官方版本下载提供了深入分析
Step 3: Refine with Detailed Shortcuts (Applying Secret Sauce #2):，详情可参考heLLoword翻译官方下载
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So, what does it all mean?