Good morning.Are you Mr.Liu ?   My name is Liu Lichi . How do you do ?   How do you do ? Please be seated , How is your trip here ?   Quite good , I think . I came here by bus , and it took me about 15 minutes .   Oh , yes.How old are you ?   Twenty .   Hum , still a student ?   Yes , I'm student of grade 3 in the university majoring in economics . 