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

我很抱歉但是我们刚刚把最后一台减价电视卖了，但是我可以给你一个优惠券，等我们下周补了货以后你可以用特价购买。