https://blog.wongcw.com/2020/08/20/magsafe-%e5%92%8c%e5%ae%83%e7%9a%84%e7%a3%81%e6%80%a7%e5%90%b8%e9%99%84%e6%99%82%e4%bb%a3/
MagSafe 和它的磁性吸附時代