导购口语:

I'm sorry, but we don't have any in stock at the moment.
抱歉，但我们目前没有存货了。
I'm sorry, but they are out of stock right now.
抱歉，目前没有存货了。
I am sorry but that book is out of stock at the moment.
很抱歉，目前这项产品没有存货了。