adj.1. 便宜的;经济实惠的economy prices便宜货
It is good economy to buy well-made shoes, as they will last longer.买成品鞋子经济实惠,因为它们更经穿。
An economy class air ticket is fit for ordinary workers, because it costs much less.经济舱机票对一般工作人员比较合适,因为它的价格要便宜得多。
2. 节约的an economy drive to save electricity节电运动
People in the town are having an economy drive in order to save money for the education of the mountain poor children.城里人正在开展一次节约运动,省下一些钱去帮助山区孩子们接受教育。