V2EX margin of safety

Margin of Safety

释义 Definition

安全边际;安全余量:指为降低风险而预留的缓冲空间。常见于投资(以明显低于内在价值的价格买入)、工程/财务(在能力、预算、承载等方面留出余地),以应对不确定性与错误判断。

发音 Pronunciation (IPA)

/mr.dn v sef.ti/

例句 Examples

Buying quality companies only when they are undervalued gives you a margin of safety.
只在优质公司被低估时买入,能给你提供安全边际。

To ensure reliability, the design included a margin of safety large enough to handle unexpected loads and material flaws.
为确保可靠性,该设计预留了足够的安全余量,以应对意外载荷和材料缺陷。

词源 Etymology

margin 原意为“边缘、页边空白”(来自拉丁语 margo “边界、边缘”),引申为“余地、差额”;safety 来自拉丁语 salvus “安全、完好”。合起来 margin of safety 字面即“安全的边界/余地”,强调在不确定条件下留出缓冲。

相关词 Related Words

文学与著名作品 Literary Works

  • The Intelligent Investor Benjamin Graham(提出并普及投资语境下“margin of safety”的核心思想)
  • Margin of Safety: Risk-Averse Value Investing Strategies for the Thoughtful Investor Seth A. Klarman(以该短语为书名,系统阐述价值投资中的风险控制理念)
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