Unverified50% confidenceFactExact time
《大白鲨》上映后引发猎鲨热潮，大白鲨数量一度锐减达80%
1
Sources
50%
Confidence
Long-term
Relevance
7/13/2026
First Seen
Sources
《大白鲨》50周年：一部险些烂尾的鲨鱼片如何创造好莱坞暑期档
youtubeNational Geographic7/12/2026
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