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王凯:
Hello. This is Wang Kai speaking. 
您好.我是王凯.
史密斯先生:
Hello. This is Andy Smith.
您好.我是安迪·史密斯.
王凯:
What's the matter. Mr. Smith?
有什么事吗.史密斯先生?
史密斯先生:
I'm afraid I've got some unexpected business to attend to, and I'm going to shanghai tonight.I won't be able to make your meeting this evening.
我突然有事.今晚要去上海.就不能见您了.
王凯:
Oh, that's too bad. Well, never mind. When will you be back?
哦.真不巧.不要紧.您什么时候回来?
史密斯先生:
Maybe next Monday.I`ll give you a call then to make another appointment.
也许下周一.我会给您打电话再约时间的.
王凯:
That's OK.
好的.
史密斯先生:
I'm sorry to trouble you so much.
很抱歉给您带来这么多麻烦.
王凯:
It doesn't matter.
没关系.