喂，你好 :Hi/ hello,请问你找哪位：电话的话 Who are you calling? 直接找上门的就：who are you looking for?
要是打电话的话：你好 Hello，说完了之后别人就会直接说找谁。
hello，who‘s that，I'm·····thank you····
Excuse me, may I ask whom you are looking for,please?
