双程票 round trip ticket ; Return ticket ; return ticket/round-trip ticket ; round -up ticket

双名票据 double-name paper ; two-party paper

双方汇票 two party draft

半价双戏票 twofer

双重投票 double voting

双重投票权 double voting right

双方即期汇票 two-party sight draft

跟双汇票 documentary bill ; documentary draft

双程票价 double fare