1 (also the economy) [C] the operation of a country's money supply, commercial activities and industry （国家的）经济: There are signs of improvement in the economy. 经济有复苏的迹象。the economies of America and Japan 美日两国的经济

2 [C,U] careful spending of money, time, fuel, etc; trying to save, not waste sth 节约；节俭: Our department is making economies in the amount of paper it uses. 本部门正实行节约用纸。economy class (= the cheapest class of air travel) 经济舱（客机上最便宜的座位）an economy pack 经济装