名词短语
中文翻译：退票费用
同义词：
['refund charge', 'refund amount', 'refunded fare']
例句：
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1.The airline refunded my ticket for a change in plans.
航空公司因为我的计划改变而退还了我的机票。
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2. The customer asked for a refund of the overcharged service fee.
顾客要求退还被多收的服务费用。
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3.The travel agency refunded the deposit for a cancellation of the trip.
旅行社因取消旅行而退还了预订金。