[KongchangAI]
Unverified50% confidenceFactExact time

安全边际原则由本杰明·格雷厄姆在1949年《聪明的投资者》中提出

1
Sources
50%
Confidence
Long-term
Relevance
7/14/2026
First Seen

Sources

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curl https://kongchang.com/api/v1/knowledge/claims/504146
MCP
get_claim(id=504146)