並前往https://support.microsoft.com/zh-hk/office/%E5%B0%87-pdf-%E6%AA%94%E6%A1%88%E5%85%A7%E5%AE%B9%E6%8F%92%E5%85%A5-powerpoint-%E7%B0%A1%E5%A0%B1-5e7719d5-508c-4c07-a3d4-68123c373a62
