首先，模式可以更容易地将中间件应用程序环境从开发推向测试，然后再推向生产，或者任何特殊的路径。
First of all, patterns make it easier to promote your middleware application environments from development to test to production, or whatever your particular promotion path may be.
因此，自顶向下的开发模式从标识或开发与Web服务领域相关的XML模式开始，然后为该Web服务创建一个WSDL文档。
Therefore, the top-down development pattern starts by identifying or developing XML schema relevant to the domain of the Web service, and then creating a WSDL for the Web service.
这个行为与当前从全球外包开发和测试的软件交付模式是相冲突的，并经常导致用户和开发者之间的误解。
This behavior collides with current software delivery models that recruit development and test resources from around the globe, and frequently results in misunderstanding between users and developers.
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