¡¡¡¡B: Don't worry about it.
¡¡¡¡A: Anyway I want to pay for the cleaning.
       B: It's no big deal¡¡¡¡¡¡

¡¡¡¡A: I have been waiting for Mr. T. Carpenter for thirty minutes.
¡¡¡¡B: I'm sorry, but he's still in a meeting.
¡¡¡¡A: Well, how much longer do you think he will be?
¡¡¡¡B: Oh, he should be finished soon.¡¡¡¡

¡¡¡¡A: I'm sorry I got angry at you at the party.
¡¡¡¡B: That's too bad. Everyone will be disappointed.¡¡

¡¡¡¡A: I'm sorry if I've caused any problem.
¡¡¡¡B: No, no problem at all.¡¡

¡¡¡¡A: I'm sorry I'm late. Have you been waiting long?
¡¡¡¡B: No, I just got here.¡¡

¡¡¡¡A: Oh, I'm terribly sorry, sir. Are you all right?
¡¡¡¡B: I'm all right. Don't worry.¡¡

¡¡¡¡A: Ouch!
¡¡¡¡B: Oh, I beg your pardon.

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¡¡¡¡¡¡¤ŸORGANIZATION would very much like to have someone from your company speak at our conference on TOPIC.

¡¡¡¡¡¡£ As you may be aware the mission of our association is to promote WHAT. Many of our members are interested in the achievements your company has made in.

¡¡¡¡¡¡£ Enclosed is our preliminary schedule for the conference which will be reviewed in weeks. I'll call you DATE to see who from your company would be willing to speak to ...[²é¿´ÏêÇé]