看看为了完成这个任务您所需要添加到宏的一些代码。

Let's look at some of the code that you need to add to the macro to accomplish this task.

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对于许多元编程任务，这个特性使宏更可预测并容易使用。

For a wide variety of metaprogramming tasks, this feature makes macros more predictable and easier to work with.

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本系列文章的第 2 部分将详细介绍如何编写 Scheme 宏，以及如何使用这些宏来极大地简化大型编程任务。

Part 2 of this series examines in more detail how to program Scheme macros and how they can make your large-scale programming tasks significantly easier.

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