U盘安装macOS Sierra

http://www.iplaysoft.com/macos-usb-install-drive.html
http://jingyan.baidu.com/article/dca1fa6f4a667af1a44052e4.html

time machine 安装

一块移动硬盘怎样兼容Mac和Windows系统，并且可以在time machine上使用
http://www.cnblogs.com/mySummer/p/5557807.html

http://www.jianshu.com/p/5f8b4d9a8922

http://bbs.feng.com/read-htm-tid-2007276.html