answer: Mary tells Jones she has decided on a career in business and is going to practice in Hong Kong because of business opportunities. They both think English is useful in business.
documents: #Person1#: Hi, Mary. Haven't seen you for ages!
  #Person2#: Hi, Mr. Jones. Yes, it has been such a long time since we met!
  #Person1#: Have you made up your mind to take up business as a career?
  #Person2#: Yes. Actually, I've already started. I began my studies at the beginning of this term.
  #Person1#: Very glad to hear it. Then what are you going to do when you finish?
  #Person2#: Oh, I shall go to Hong Kong to practice there.
  #Person1#: That's a good idea. It must be easy to find a job in Hong Kong.
  #Person2#: Oh, I think so. You know there is a great deal of opportunities for business there.
  #Person1#: And English is very useful in your job.
  #Person2#: I think it will be very useful in many ways because there's a lot about business written in English. Besides, Hong Kong is an international trade center. English is useful in almost all walks of life.
  #Person1#: Then you'll be a very promising businesswoman there.
  #Person2#: That's my wish. But I have to suffer now.
  #Person1#: No problem. You can do it well, I'm sure.
  #Person2#: I hope so.