may i help you 和how may i help you的区别

may i help you 和how may i help you的区别 may i help you may i help you? "May I help you?"发音 英语May I help you? may i help you sir? May i help you,please. how may I help you?Translate to Mandarin 英语：将How may I help you?进行句型转换. I am only too happy to help you out. How may I help you? 分别改 英语口语 How may I help May i help you 作否定回答