credit coupon是啥东西?书上说在美国,要是接线员给你接错了电话,你就可以向电话公司索取credit coupon,啥意思?

credit coupon是啥东西?书上说在美国,要是接线员给你接错了电话,你就可以向电话公司索取credit coupon,啥意思? coupon coupon credit proposal什么东西? coupon是什么意思 credit market是什么东西?请尽量具体, Credit Cards啥意思? credit credit... credit credit credit credit Revolving Letter of Credit是? You had a small credit from a previous purchase.在ebay购买了一个以前买过东西的美国卖家的东西,对方发给我的信息,意思是把东西送我了吗?a small credit是什么意思You had a small credit from a previous purchase.I wi 优惠券用英语怎么说discount coupon,是地道的说法吗? claim credit for啥意思 Honor the coupon