https://qooah.com/2011/12/10/motorola-%e6%96%bc%e5%be%b7%e5%9c%8b%e7%9a%84%e5%b0%88%e5%88%a9%e8%a8%b4%e8%a8%9f%e5%8b%9d%e4%ba%86-apple/