Unverified50% confidenceFactExact time
格雷厄姆在《证券分析》(1934)与《聪明的投资者》(1949)中将安全边际系统化为投资框架
1
Sources
50%
Confidence
Long-term
Relevance
7/14/2026
First Seen
Sources
伯克希尔3970亿美元现金:巴菲特在警示什么?
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