Efficiency effectiveness

效用(effectiveness)、效率(efficiency)、功效(efficacy) · 1.效用(effectiveness)：與計畫的目標比較計畫的成果、有效的程度，例如疫苗拿到人群中...

Efficiency means whatever you produce or perform; it should be done in a perfect way. Although, E...

In his book, The Effective Executive, Peter Drucker stated that “efficiency is doing things right...

effective（有效果）和（efficient）「有效率」容易搞混，原因在兩個字英文開頭都是”eff-”，中文意思又都有「效」這個字。 effective是「能產生預期效果的」；「有效 ...