http://www.i-garden.org/blog/2018/05/16/google%E6%95%99%E5%AD%B8-%E6%96%B0%E7%89%88-gmail-30%E5%A4%A9%E8%A9%954%E8%AE%9A4%E5%BD%88/
http://www.i-garden.org/blog/2018/05/09/google-%E6%95%99%E5%AD%B8%E7%B3%BB%E5%88%97-%E8%8B%B1%E6%96%87%E7%A7%91%E8%80%81%E5%B8%AB%E5%8F%88%E4%B8%80%E7%81%BD%E9%9B%A3-google-smart-compose/