短語詞組短語rule -of-thumb method 經(jīng)驗(yàn)法則a rule -of-thumb 它認(rèn)為Rule -of-thumb of drivers 駕駛?cè)私?jīng)驗(yàn)法則Local Rule -of-Thumb 地區(qū)經(jīng)驗(yàn) 返回 rule of thumb