card guide

例句：

1. 1. The card guide is a useful tool for organizing and sorting information.
   卡片指南是一个有用的工具，用于组织和分类信息。
2. 2. The card guide helped me find the right information quickly.
   卡片指南帮助我快速找到正确的信息。
3. 3. The card guide was designed to help people navigate their way through the complex system.
   卡片指南被设计来帮助人们导航复杂的系统。