# 染色法

欢迎来到新的板块内容。接下来我们会连续给各位介绍两个新内容：**包装**（Wrapping）和**构造**（Construction）。包装指的是将逻辑和过程用一些新概念包装一层，然后推理的新技巧类型；而构造则是把已有的技巧的规则加以推广，利用一些可以复合使用的过程参与叠加的新技巧类型。

按照难度和板块编排的优先级，我们先学习包装技巧。包装技巧只有两个，所以比较轻松。


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