[KongchangAI]
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

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