Verified65% confidenceFactExact time
合理使用是美国版权法第107条确立的例外原则，判断标准涵盖使用目的、作品性质、使用比例及对市场的影响四个维度
3
Sources
65%
Confidence
Long-term
Relevance
7/9/2026
First Seen
Sources
Alibaba's Claude Ban Explained: The Full Story Behind the US-China AI Distillation War
bilibili纯正英语原声30秒7/6/2026
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