有西汉武帝时期大臣、南燕大臣，西汉段宏与当时直言敢谏之名臣汲黯，为同乡濮阳人，生卒日不祥。
通过创建可重用的宏，可以避免重复输入相同的代码段；这不但可以避免重复，而且可以减少代码量，从而提高代码的可读性。
Instead of typing the same piece of code again and again, you can create reusable macros that both avoid this repetition and enhance the look and readability of the code by reducing clutter.
闲下来的时候，马宏升有时会在自己的电脑上看看一段视频。
In his spare moments, Maloney sometimes watches a video on his computer.
宏把使用程序员定义的语言结构编写的代码段翻译成编程语言可以理解的语句。
Macros translate segments of code that have been written in a language structure defined by the programmer into statements that the programming language understands.
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