题目内容：

Alter what is changeable,accept what is mutable.我想请问下各位达人高手,为什么用mutable呢?
mutable 在字典上的解释是 易变的；反复无常的.

优质解答

Remember what you should remember,forget what you should forget,alter what is changeable,accept what is mutable.记住该记住的,忘记该忘记的,改变可以改变的,接受变幻无常的.mutable 这里可以解释为 变幻无常...