第1个回答 2009-07-02
What can I do for you?/May I help you? 一般用在售货员询问顾客时
第2个回答 2009-07-02
How can I help you?
最标准的
第3个回答 2009-07-02
May I help you?
第4个回答 2009-07-02
What can I do for you?/May I help you?
第5个回答 2009-07-02
What would you like/Can I help you?