answer: #Person1# goes to the commencement with Bill. They express their feelings about graduating.
documents: #Person1#: Hi, Bill. Are you going to the commencement?
  #Person2#: Yes. Do you want to go with me?
  #Person1#: OK. ( Several minutes later. ) Let's go into the school auditorium.
  #Person2#: Now that take this seat. Do you see those piles of red diplomas on the desks on the stage?
  #Person1#: Yes. I find my heart is now rising and falling like waves, all sorts of feelings welling up in my heart.
  #Person2#: That's true. Four years'trails and hardships, joys and sorrows of life are gushing out to my mind all together. I can hardly tell whether I am joyful or gloomy at the moment when I am about to leave the campus and to start a new stage of my life.
  #Person1#: How time flies. Look, the president of the college has come onto the stage.
  #Person2#: He's going to make the opening speech.