booking reference预定凭证双语例句1Please have your booking reference to hand.请您的预订参考手。 2A lot of airlines now have e-tickets rather than paper tickets so all you need is toshow the booking reference when you arrive at the check-in desk.很多航空公司现在用的是电子机票而不是纸质机票。所以你在登机柜台前要出示预定凭证。
