我的弟弟毕业于英语专业，还做过英语辅导，我们曾经一度用英文通信。
My brother-in-law graduated in English department and had been an English teacher, once we write to each other in English.
我的弟弟毕业于英语专业，还做过英语辅导，我们曾经一度用英文通信。
My brother-in-law graduated in English department and had been an English teacher, once we write to each other in English.
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