一锤子买卖意味着你不能退货或是换货。

A final sale means you cannot return or exchange the gift.

youdao

然而，这个市场一直是“一锤子买卖”的交易。

However, that marketplace has been a "one and you're done" affair.

youdao

然而，这个市场一直是“一锤子买卖”的交易。

However, that marketplace has been a "one and you're done" affair.

youdao