专业人士其实就是能更优雅的从错误从回到正常状态的业余人士。
The world is my country, all mankind are my brethren, and to do good is my religion.
The only constant is change, continuing change, inevitable change, that is the dominant factor in society today. No sensible decision can be made any longer without taking into account not only the world as it is, but the world as it will be.