V2EX rule of thumb

Rule of Thumb

释义 Definition

rule of thumb 是一个常用的英语习语,意思是"经验法则"或"大致的准则"。指的是根据经验或常识得出的简单实用的方法或判断标准,而非精确的科学依据或严格的规定。

发音 Pronunciation

/rul v θm/

例句 Examples

As a rule of thumb, you should drink at least eight glasses of water a day.
根据经验法则,你每天至少应该喝八杯水。

A good rule of thumb for investing is to never put all your money into a single stock, because diversification helps reduce the risk of significant losses.
投资的一条好的经验法则是,永远不要把所有的钱投入一只股票,因为分散投资有助于降低重大亏损的风险。

词源 Etymology

这个短语的确切起源仍有争议。最被广泛接受的说法是,它来源于古代工匠和手工业者用拇指(thumb)来进行粗略测量的做法拇指的宽度大约为一英寸,因此拇指被当作一种非精确但实用的度量工具。该短语最早的书面记录可追溯到17世纪的英语文献。rule 在此处意为"准则、规则",整个短语引申为"基于实践经验的大致准则"。

相关词汇 Related Words

文学作品引用 Literary References

  • 在詹姆斯凯利(James Kelly)1721年出版的《苏格兰谚语全集》(A Complete Collection of Scottish Proverbs)中,收录了这一短语的早期用例。
  • 在查尔斯狄更斯(Charles Dickens)的多部作品中,角色们常使用 rule of thumb 来表达凭经验行事的生活智慧。
  • 在现代非虚构类作品中,如马尔科姆格拉德威尔(Malcolm Gladwell)的《眨眼之间》(Blink),该短语被用于讨论直觉判断与经验法则在决策中的作用。
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