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.
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“It’s your job in life to figure out what your specific unique talents are and go chase them.”，这一点在搜狗输入法2026中也有详细论述
"content": (item.get("content") or "").replace("\n", " ").strip(),
dropped (never to be recovered) with the actual