Unverified50% confidenceFactExact time
减害模式（Harm Reduction）最初起源于20世纪80年代公共卫生领域针对注射吸毒者的HIV预防策略
1
Sources
50%
Confidence
Long-term
Relevance
8/6/2026
First Seen
Sources
ScrollToll：用视频计数替代时间统计，对抗短视频上瘾
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