giving the best possible profit or benefits for the money that is spent有成本效益的；有最佳利润的；划算的◆Printing the books locally is not cost-effective.在当地印书是不划算的。◆We need a more cost-effective way to distribute our products.我们需要一种更具成本效益的方法来销售我们的产品。▸ˌcost-efˈfectiveness