Can I help you?的肯定回答和否定回答.

问题描述:

Can I help you?的肯定回答和否定回答.

Yes ,please
No,thanks为什么不能用Yes, you can和No, you can't来回答Yes,you can .No,you can‘t.回答太过于绝对了,Yes, please/No,thanks比较委婉跟口语化