用了张40 off的certificate/coupon,在Discover的rewards里用20刀换的,现在50多
块的租车只需用蓝宝石卡付10多刀,这样子primary coverage还有效吗?
我网上看到一些人说用AMEX的卡必须要pay full amount with card,不然就无效,不
知道Chase家怎么样,看policy是说“Initiate and complete the entire rental
transaction using your card that is eligible for the benefit.” 想请教下有经
验的各位,谢谢!