| 释义 | the 80 /20 rule  /eɪti twenti ruːl/  (also  theˌ80 /20  principle)  noun [singular] a theory that 80% of results come from 20% of effort or causes  80/20 法则◆according to the 80/20 rule, 80% of your revenue comes from just 20% of your customers.  根据 80/20 法则,80% 的收入仅来自 20% 顾客。 syn  pareto's law   ➡  picture at  pareto analysis |