[KongchangAI]
Unverified50% confidenceFactExact time

美国前国防部长拉姆斯菲尔德在2002年的即兴表述将「已知/未知」框架推广至风险管理领域

1
Sources
50%
Confidence
Long-term
Relevance
7/17/2026
First Seen

Sources

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