adj.不可偿还的，不能退款的

The deposit is non-refundable if you cancel your booking within 24 hours.
如果您在24小时内取消预订，押金将不予退还。
The event tickets are non-refundable, so make sure you can attend before purchasing.
活动门票不退，所以在购买前请确保你能参加。
The hotel's policy states that room rates are non-refundable once confirmed.
酒店政策规定，一旦确认房间，房费将不可退款。
The gym membership fees are non-refundable after the first month.
健身房的会员费用从第二个月起不予退款。
The software license is non-refundable due to the nature of digital products.
由于软件是数字产品，其许可证是不退的。
The concert tickets are non-refundable, but they are transferable to another person.
音乐会门票不可退，但可以转让给他人。
The airline's policy on non-refundable tickets is quite strict.
航空公司的不可退票政策相当严格。
The service fee is non-refundable, regardless of the outcome.
服务费无论结果如何都是不退的。
The cruise fare is non-refundable if you cancel less than 30 days prior to departure.
如果你在出发前30天内取消，游轮费用将不予退还。
The deposit for the rental apartment is non-refundable in case of damage or violation of the lease agreement.
租赁公寓的押金在发生损坏或违反租赁协议的情况下是不退的。