单词efficiency-expert
na.: (研究降低成本,提高功效的)效率技师[专家]
网络: 效率专家；效能专家；研究提高工作效率的专家
As the efficiency expert Peter "The Time Man" Turla says, "Paper remembers, people forget. "
如效率专家Peter所说，“纸能记，人易忘。”
I was the efficiency expert for the whole family.
我是全家的效率专家。