劍橋詞典used to describe an agreement between a business and customer in which the customer can buy something for less than the usual price 有折釦的，有優(yōu)惠的 Passengers get money-off deals on future cruises . 旅客未來在購買遊輪假期時會有折釦。 money-off coupons /vouchers 折釦券 返回 money-off