at a discount和on sale有什么区别?

at a discount和on sale有什么区别? at a 40% discount 是打几折 There is a discount ()last year is cards.a:in,b:on,c:of,d:at. There is a discount ()last year is cards.a:in,b:on,c:of,d:at. is there____this TV? A.discount in B.discount on C.a discount in D.a discount on Do you have a discount __ the clothes?I hope I can buy them __a 20% discount.A.on;of B.on;at discount可不可数那为什么 give sb a discount 和 how much discount 并存 Do you have a discount on the cards ( 同义句)Does he do his homework at home (加上now改写 discount不可数呀,可课本上却说there is a discount on.,用了a 翻译：Students get a discount of 20% on plane tickets. 英语翻译a discount warehouse has a 30% discount on washing machines and a further 5% off the discount price if you pay with cash.megan buys a washing mac ine priced at 1250$.how much will megan need to pay in cash? Issuing bank will discount acceptance on request for A/C of beneficiary (unless otherwise stated)at appropriate libor rate plus 1.00 percent margin.帮忙翻译下哦,谢谢 at one third discount 是打几折? give a discount.翻译? SAL和SHL有什么区别? there is a ()on the stationery.A.store B.price C.table D.discount 英语翻译On an order exceeding 10,000 sets,we usually (a ) a 3%quantity discount. The present value of $100 due in 5 years at a 3% discount rate.RT