rule of thumb的解释及rule of thumb的例句

ruleofthumb的解释n.经验法则(靠经验估计)ruleofthumb的例句Asaruleofthumb,youshouldcookachickenfor20minutesforeachpoundthatitweighs.凭经验估计,每磅鸡肉应烹调20分钟.Asaruleofthumb,aone-cent-a-gallongasolinetaxraises$1billion.OilproducersinPresident-electBush'sadoptedstateofTexas,however,wouldratherseeataxonimportedcrudeoil.一般情形是，每加仑加汽油一分钱的税可以征收10亿元。可是，在布什第二家乡德克萨斯州的产油商宁愿看见在进口原油上征税。