[, ]an act of making sth smaller or less; the state of being made smaller or less缩小；减少；降低◆a $300 million reduction in costs成本降低 3 亿元◆There has been some reduction in unemployment.失业人数有所减少。⨁a drastic / significant / slight / substantial reduction急剧／重大／轻微／实质性缩减⨁to achieve / make / produce a reduction减少 [] the amount by which sth is made cheaper to buy减价；折扣◆There is a €100 reduction for a child sharing a room with two adults.小孩和两个大人合住一间房可以享有 100 欧元的折扣。◆price reductions to attract buyers为吸引买主而进行的减价⨁big / huge / massive reductions大额／巨额／大量折扣⨁to ask for / get / receive a reduction索要／得到／获得折扣⨁to give / make / offer a reduction给／打／提供折扣reduction / cashback / deduction / discount / rebate / refund <chn/>Discount, cashback, rebate and reduction can all be used to describe an amount by which a price is reduced. Compare their use in the following examples. * discount、cashback、rebate 和 reduction 均可用来指降价幅度。比较它们在下列例子中的用法： We offer a 10% discount on cash purchases. 我们对用现金购买者给予 10% 的折扣。There's a €50 reduction for guests staying more than 7 nights. 对入住超过 7 夜的客人减收 50 欧元。(BrE) ：You'll get 1% cashback on all purchases with your credit card (= the credit-card company will pay 1% of the bill into your account)用信用卡购物可有 1% 的金额返还到账户里。(NAmE) ：The computer sells for $900 after rebate(= after the discount is taken away)这种电脑折后的售价为 900 元。A refund is not a reduction in price, but a return of the price or part of it. * refund 不是指降价，而是指全额或部分退款：If not entirely satisfied, return the goods within 14 days for a full refund. 如果不十分满意，14 天内退货可获全额退款。A rebate and refund can also be an amount that is paid back to you because you paid too much. * rebate 和 refund 还可以指退回支付的多余金额：a tax rebate/refund 退税A deduction is taken off the amount you owe before you pay it. * deduction 指付款之前即扣除的金额：You are allowed a tax deduction for money given to charity. 慈善捐款可抵扣税金。