how are you doing什么有意思?

how are you doing什么有意思? How are you doing How are you doing? 翻译how are you doing? how are you ledies doing how are you doing翻译 Hello,how are you doing? how are you doing对么 How are you ,and,How are you doing now有什么区别 请问,How are you How are you doing ,Tom 有什么区别? how are you doing 还是how you doing? How are you?How do you do?How are you doing?都是问候语这几个之间有什么区别啊