唯一真正要修改的是使构建引擎适应每个客户的独特的JCL和数据库标准。
The only true modification is the task of adapting each client's unique JCL and library standards into the build engine.
本文提供了一个使用Mortgage Calculator实例的教程，描述如何修改生成的GSTC使之更好的适应Web服务。
This paper gives a tutorial using a Mortgage calculator example on how to modify a generated GSTC to better suit the Web service.
如果您可以重构，那么您可以利用软件设计模式来修改您的代码，使之更有弹性、更适应变化。
If you can refactor, then you can modify your code using Software Design Patterns which results in better code that is more resilient to change.
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