帕累托法则 pàlèituōfǎzé Pareto principle Origin Definitions Defs Strokes Stroke Words Sentences Sents 帕累托 pàlèituō Vilfredo Pareto Vilfredo Pareto (1848-1923), Italian economist known for his work in sociology and economics法则 法則 fǎzé noun law rule; law; code; standard method