https://blog.wongcw.com/2022/09/19/%e7%89%b9%e6%96%af%e6%8b%89%e5%86%8d%e6%ac%a1%e7%b8%ae%e7%9f%admodel-3-y%e9%a0%90%e8%a8%88%e4%ba%a4%e4%bb%98%e6%99%82%e9%96%93%e6%9c%80%e5%bf%ab%e4%b8%80%e5%91%a8%e5%85%a7%e6%8f%90%e8%bb%8a/