18:52, 27 февраля 2026Экономика
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每年冬天工廠的天然氣供應會被切斷數日甚至數週；天氣較熱時則面臨停電。大城市的居民也經常得忍受住宅停電或飲用水遭到中斷。
With a thousand points, you barely notice the delay. With a million, you're doing a million distance calculations for every single query. On a phone updating the map as the user scrolls, that's untenable.