以前看本版说amex多次升降级拿bonus，都是什么卡？ 我每次收到target upgrade offer (business gold upgrade to business platinum), 小字都写Offer is available for first-time upgrades to the new Business Platinum Card only and for one Card account only. 这样就不能第二次拿upgrade bonus了对吧？2016年拿过一次
以前看本版说amex多次升降级拿bonus，都是什么卡？
我每次收到target upgrade offer (business gold upgrade to business platinum), 小字都写Offer is available for first-time upgrades to the new Business
Platinum Card only and for one Card account only. 这样就不能第二次拿upgrade bonus了对吧？2016年拿过一次