For passengers who need to change or return their tickets, they can change the tickets or get their fund through 12306.cn or the ticket office at the station.

对于需要改签或退票的乘客，他们可以在12306平台上或在车站售票处就能改签或退款。

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The ticket machine gives change.

自动售票机可以找零。

《牛津词典》

The web is supposed to be a world changing phenomenon and mobile devices could be the ticket for billions of people whose lives have seen too little change.

网络应该是一个能够用来改变世界的平台，而对于那些生活水平缺乏改善和提高的数十亿人，移动设备可以成为推动变化的工具。

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By the day, the evidence mounts for taking action to change the black-out rule: ticket sales across the NFL have been decreasing for the past two seasons and there is an increasing number of people staying home to watch games two conditions that were thus in effect before the economy hit its turbulent patch.

FORBES: Time to Abandon The Blackout Rule, Pro Football's Sacred Cow

The one-week change in secondary ticket prices across these regionals makes sense for 3 of the 4 regionals.

FORBES: Location, Matchups Drive Secondary Ticket Price Increases For NCAA Regionals

And like any marketplace, prices in the ticket world tend to change at a pretty quick pace leading up to the event.

FORBES: Magazine Article