B: Good morning, how are you doing?How are you?/How have you been?都是表示“你好吗”A: Good, thanks, you?B: The same as usual. How are your parents?Same old, same old表示“老样子”A: Pretty well.B: Say hello to them for me.A: Of course. They will be happy you asked about them. I have to go to work immediately. See you.B: See you.