用户从飞书复制内容粘贴到编辑器里，浏览器通过剪贴板接口（Clipboard API）拿到的其实是一段 HTML 代码（就是网页的源代码格式）。我们要把这段 HTML 转成 Markdown（一种简洁的写作格式），再由工具渲染成公众号能用的排版。

The iPhone 13 line, unveiled last week at an Apple hardware event, includes new colors and design changes that give the phones an upgrade over last year's iPhone 12 models. The four models -- a base ...

The system is built upon four foundational pillars: Autonomous Safety: Utilizing MQ-series gas sensors and flame detectors to provide real-time protection against fire and gas leaks through automated ...