问题描述：
英语翻译
The social code of behavior between students and professors is not as precisely defined in the United State as if might be in other countries.You should not call them "Professor" but rather"Mr",or"Ms",if they ask you to,by their first names.
The social code of behavior between students and professors is not as precisely defined in the United State as if might be in other countries.You should not call them "Professor" but rather"Mr",or"Ms",if they ask you to,by their first names.
问题解答：
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