V2EX rule-of-thumb

RULE-OF-THUMB

释义 Definition

经验法则;粗略但实用的判断标准:基于经验而非精确计算的简便规则,用来快速估计或做决定。(也可作形容词用:a rule-of-thumb estimate

发音 Pronunciation (IPA)

/rul v θm/

例句 Examples

A good rule-of-thumb is to save at least 10% of your income.
一个不错的经验法则是:把收入至少存下 10%。

Although the data is incomplete, this rule-of-thumb helps us decide which option is more cost-effective.
尽管数据不完整,这条经验法则仍能帮助我们判断哪个方案更划算。

词源 Etymology

rule-of-thumb 字面意思是“拇指规则”。常被解释为:早期工匠或商人用拇指的宽度、长度作粗略测量,因而引申为“用经验快速估算”的做法。现代英语中该短语强调“好用但不精确”,适用于日常决策与大致判断。(注意:民间流传的一些更具体、带暴力色彩的说法并无可靠词源依据。)

相关词 Related Words

文学作品 Literary Works

  • John Steinbeck《Of Mice and Men》(《人鼠之间》)中可见 rule of thumb 的用法(多为口语语境)。
  • Kurt Vonnegut《Cat’s Cradle》(《猫的摇篮》)中出现过该短语,用于表达凭经验行事的判断方式。
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