20 rule

The 80-20 rule, also known as the Pareto Principle, is an aphorism which asserts that 80% of outc...

「八十／二十原則」，雖發端於20世紀初的工商企業界，但以後適用範圍逐漸推廣，其中以二次大戰結束後在圖書館及資訊科學裡所形成的新興次領域(Subfield)──書目計量 ...

帕累托法則（英語：Pareto principle，也被稱為80/20 法則、關鍵少數法則、八二法則）指出，約僅有20%的因素影響80%的結果。也就是說：所有變因中，最重要的僅有20%，雖然 ...

Originally, the Pareto Principle referred to the observation that 80% of Italy's wealth belonged ...

The Pareto Principle states that 20 percent of your activities will account for 80 percent of you...