mac登录界面的头像不是账号头像怎么回事（macos登录头像）

 For something,we can't understand when we are young but by the time we understand,we are no longer young. 有些事情，当我们年轻的时候无法懂得，当我们懂得的时候已不再年轻。

 It'd be better to light up the candle than curse the darkness.No one can give you brightness expect yourself. 与其诅咒黑暗，不如燃起蜡烛。没有人能给你光明，除了你自己。

 To go beyond is as wrong as to fall short. 过犹不及。

 Happiness is about having each tiny wish come ture. 幸福是每一个微小愿望的达成。