一个 conversation-first、image-first 的 PPT 工作流 skill，用来把一个模糊的 PPT 需求，逐步推进成：内容基底、风格预览、定稿规划 ...

Inverted commas are used to show direct speech. They are also known as speech marks. They are placed before and after the exact words a character says. “Shall we go to Grandpa’s house?” asked Sally.