I'm busy today, Can I get a rain check?

我今天很忙，改下次还行吗？

youdao

Say, I'm sorry but we just sold the last TV set we had on sale. But I'll give you a rain check so you can still get the special price when we get in a fresh stock a couple weeks from now.

这个店员说：“对不起，我们刚刚把最后一架减价的电视机卖掉了。但是，我会给你一张rain check，这样过两个星期我们进了货以后，你仍然可以按减价的价钱买电视机。”

youdao