how you doing RT怎么用?

how you doing RT怎么用? how you doing为什么用doing啊 How are you doing?I'm doing good.怎么翻译? How are you doing? How are you doing? How are you doing? how you doing How are you doing? how are you doing How are you doing these days?怎么回答 How are you doing?如题,该怎么回答 how does doing sports often make you?怎么回答 how are you doing 还是how you doing? how are you ledies doing Hello,how are you doing? how are you doing对么 how are you doing翻译 翻译how are you doing?