https://blog.wongcw.com/2018/12/04/%e5%be%ae%e8%bb%9f%ef%bc%9a%e6%9c%aa%e4%be%86office%e5%b0%87%e9%9b%86%e6%88%90ai%e4%b8%a6%e6%b7%bb%e5%8a%a0microsoft-teams/