economical/͵ikəˋnɑmIkḷ; ˌekəˈnɒmIk$l/adj using money, time, products etc carefully and without wasting any 经济的﹐节约的: a smaller and more economical car 一辆较小、较省油的汽车 —economically /-kḷI; -kli/adv : Food is produced as efficiently and economically as possible. 食品生产要力求高效﹑经济。