https://blog.wongcw.com/2021/10/21/canalys%ef%bc%9a%e9%9b%b6%e9%83%a8%e4%bb%b6%e7%9f%ad%e7%bc%ba%e5%b0%8e%e8%87%b4%e5%85%a8%e7%90%83%e6%99%ba%e6%85%a7%e6%89%8b%e6%a9%9f%e5%b8%82%e5%a0%b4%e5%90%8c%e6%af%94%e8%90%8e%e7%b8%ae6/