Good. Tell Mr. Gao at the factory to keep up the good work.

很好，请告诉工厂的高先生继续努力。

I'd like to cash this check.

我想兑现这张支票。

Just the regular.

平信就好了。

How long are you going to stay here?

您在这里呆多久？

Your room number is 512. Here's your key.

房间号码是512。这是您的钥匙。

How long?

多久？