XML web services make a great basis for implementing SOA largely because WSDL and schema allow you to specify the XML message exchange used by a web service in a platform-neutral manner.
XML Web服务为实现SOA创建了一个重要的基础，这很大程度上是因为WSDL和模式可以让你以平台中立的方式去指定被一个Web服务使用的XML消息交换。
3
After years of building, extending, and maintaining large, distributed applications, programmers are learning to appreciate the benefits of platform-neutral behavior and platform-neutral data.