For example, farmers brought a bag of grain in exchange for a ticket.

例如，农民带了一袋粮食来换取一张票。

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QIN Guan desperately needed money to get a ticket to Guangzhou so he could take part in a hip-hop dance competition, so he went to a pawnshop and got 700 yuan in exchange for his 2, 000-yuan iPhone.

为了去广州参加街舞比赛，急需筹钱买车票的秦观把自己价值2000元的iPhone拿到当铺，换来了700元现金。

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For example: the prediction model of use amount of ticket, and the data exchange technology with other system, etc.

如：票据使用量的预测模型、与其它系统的数据交换技术等。

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It and British online ticket exchange Viagogo are now scrambling to organize an enormous refunding process.

FORBES: Entertainment

For example, at Sun Valley ski area in Idaho, there's an official lift ticket exchange program that lets you trade in a "downhill" day for a long list of options including a massage, ice skating and lunch or a shopping credit.

CNN: 12 fun ways to hit the slopes without skis

If possible, use a reward card so you get a plane ticket in exchange for that root canal.

WSJ: Is Your Doctor Pushing Credit Cards?