I wonder if I can board the plane with this return ticket.

我想知道我是否可以用这张回程机票登机。

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Man purchasing round trip ticket to board the Statue of Liberty ferry in New York on May 1, 1968. (AP Photo)

1968年5月1日，一个男人购买了前往自由女神像的轮渡的往返船票。

youdao

LJ buys a ticket at the bus stop and turns to board the bus.

LJ在公共汽车站买了一张票准备坐车出发。

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This often results in missing my train, so I often get on the next train and hope I can buy a ticket on board.

BBC: News | UK | Commuting: A lottery for the visually impaired

And the rail operator says it will provide better on-board services, new ticket machines and wireless internet access at stations and on trains.

BBC: NEWS | UK | England | Southern Counties | Pre-war name signals new rail era

On its website, Virgin Trains warns travellers they will be charged an excess or penalty fare if they board a train without a ticket or attempt to change from standard to first class without a first class ticket.

BBC: George Osborne