求翻译：假设你有一个外国朋友Mary.她第一次来北京并于本周回国.她昨天下午来看你.但是你因有事不在家.写封道歉书.并约定再次见面时间.是什么意思？

Suppose you have a foreign friend Mary. And her first visit to Beijing this week to return her to see you yesterday afternoon, but because of something you are not at home. Write a written apology. And agreed to meet again the time.

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The supposition you have foreign friend Mary. she first time to come Beijing and in this week returning to homeland. She yesterday in the afternoon came to see you. Because but you have the matter not to be at the home. Writes seals the apology book. And agrees once more the meeting time.

Suppose you have a foreign friend Mary. her first trip to Beijing and return home this week. She came to see you yesterday afternoon. but you have something at home. write a apology. and agreed to meet again.

Suppose you have a foreign friend Mary. her first trip to Beijing and return home this week. She came to see you yesterday afternoon. but you have something at home. write a apology. and agreed to meet again.