这个Web服务有两个消息，一个订购单请求消息，另外一个是请求收到的确认消息。

There are two messages in this Web service, a request for purchase order, and a message that acknowledges the receipt of the request.

youdao

这个流程接受由 JoeLaptops 发送的确认收到订购单的消息，然后给 JoeLaptops 发送回一个确认收到的消息。

This process receives the PO acceptance message sent by JoeLaptops, and sends back a receipt message to JoeLaptops.

youdao

是的，这就是我们的确认单。

Yes, here's our confirmation slip.

youdao