booking reference订位代号
英 [bk refrns] 美 [bk refrns]
[例句]Please have your booking reference to hand.
请您的预订参考手
A lot of airlines now have e-tickets rather than paper tickets so all you need is to show 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