门票不可退换。

Tickets cannot be exchanged or money refunded.

《牛津词典》

捷蓝航空开始运营时，其所有机票均不可退换，生意很是冷清。

But when it started, all its fares were non-refundable, and it was mostly a leisure airline.

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除非发生由校方原因而取消校车服务的情况，否则，校车费是不可退换或是转作他用的。

The school bus fee is non-refundable and non-transferable, except in the situation where the school cancels the service.

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兑换的礼品不可退货或退换现金。

Gifts redeemed are non-returnable and cannot be exchanged for cash.

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兑换的礼品不可退货或退换现金。

Gifts redeemed are non-returnable and cannot be exchanged for cash.

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