https://blog.wongcw.com/2020/11/18/%e6%87%89%e7%94%a8%e6%89%93%e9%96%8b%e5%92%8c%e5%88%87%e6%8f%9b%e6%9c%89%e5%a4%9a%e6%b5%81%e6%9a%a2%ef%bc%9f8gb%e5%9f%ba%e7%a4%8e%e6%ac%bem1-macbook-air%e5%af%a6%e6%b8%ac/