We have decided to accept your order.

我们已经决定接受您的订单。

Mr. Green, we have decided to accept your order.

格林先生，我们已经决定接受您的订单。

Thank you for your quick feedback.

谢谢您给我们的快速回复。

We feel great regret that we can't supply the goods you order.

很遗憾我们无法提供订的货。

Mr. Brown, we feel great regret that we can’t supply the goods you order.

布朗先生，很遗憾我们无法提供订单上的货物。

Oh, why?

噢，为什么呢?

It is impossible for us supply 3,000 sets for the time being.

我们目前无法给您发3000台。