常見例句雙語例句Trends in arithmetical average incomes and median household incomes have differed in the US for a variety of reasons.在美國，數(shù)學(xué)計算的平均收入趨勢和家庭收入中位數(shù)的趨勢截然不同，原因是多種多樣的。 返回 arithmetical average