在學校與補習班外的轉角，常成為吸菸者等待接送、短暫停留的場域，也因此悄然累積大量煙蒂，成為微型污染熱點。
The corners outside schools and cram schools often become waiting spots for smokers, leading to a quiet buildup of cigarette butts and turning these areas into hidden micro-pollution hotspots.
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