https://qooah.com/2014/02/08/%e5%b0%8f%e7%b1%b3%e6%89%8b%e6%a9%9f%e6%96%bc%e5%85%a7%e5%9c%b0%e9%8a%b7%e9%87%8f%e8%b6%85%e8%b6%8a-apple-%e5%8f%8a-samsung/