Me: Good afternoon, Sir?
VO: Good afternoon. How are you?
Me: Fine, thank you. And how are you?
VO: Fine. So why are you going to US?
Me: To pursue a PhD degree in Harvard University, dept. of phys.
VO: Have you got your MS degree?
Me: No, I am expecting a BS degree next month, in Tsinghua University.
VO: You are studying physics?
Me: Yes, theoretical physics.
VO: Why don't you get a PhD degree in China?
Me: Because PhD education in Harvard is better.
VO: What will you do after PhD?
Me: I will come back to China to be a professor in an university or an institute.