作为程序员，很多挑战是要应付不断的更改：新的协议、应用程序编程接口(API)、客户需求、硬件约束等。
As a programmer, much of your challenge is to cope with unceasing change: new protocols, application programming interfaces (APIs), customer requirements, hardware constraints, and so on.
换而言之，我们是否可以不让真正的程序员来做这些工作，而是让领域专家仅仅使用元编程工具来设计并构建全部应用程序呢？
In other words, can we skip the actual programmers to do the work, and let the domain experts simply use metaprogramming tools to design and build their entire applications?
大多数程序员考虑编程时，他们都要设想用于编写应用程序的命令式样式和技术。
When most programmers think about programming, they imagine imperative styles and techniques for writing applications.
您是一名实际动手编程的XML程序员，您的应用程序已经具备了所需的功能。
You're a working XML programmer whose applications already have required functionality.
您是一名实际动手编程的XML程序员，您的应用程序已经具备了所需的功能。
You're a working XML programmer whose applications already have required functionality.
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