https://blog.wongcw.com/2022/01/22/canalys%ef%bc%9a2021%e5%b9%b4%e7%ac%ac%e5%9b%9b%e5%ad%a3%e5%ba%a6%e8%98%8b%e6%9e%9c%e6%99%ba%e8%83%bd%e6%89%8b%e6%a9%9f%e5%87%ba%e8%b2%a8%e9%87%8f%e5%8d%a0%e5%88%b0%e4%ba%86%e5%85%a8%e7%90%83%e7%b8%bd/