Rain-及时雨教程

The content you provided appears to be navigation links only (previous/next and other page links). Per the import rules, navigation elements are removed because they are not part of the main content.

There’s no substantive page content to convert into GitBook markdown. If you want me to import a specific page’s main content (e.g., the Rain 使用教程 page), paste the page’s body here and I’ll convert it into GitBook-optimized markdown.