问题描述：
请问这段英文对话是什么意思
Employee of a bookstore：
So this forth semester,the deadline of returning a book was October.1st.of
Student：
Ouch,then I missed it.But,why October.1st?
Employee：
Well,I guess the reasoning is the by October.1st,the semester is for gear.And everyone kind knows what courses all we are taking that semester.
主要不明白“the semester is for gear”
Employee of a bookstore：
So this forth semester,the deadline of returning a book was October.1st.of
Student：
Ouch,then I missed it.But,why October.1st?
Employee：
Well,I guess the reasoning is the by October.1st,the semester is for gear.And everyone kind knows what courses all we are taking that semester.
主要不明白“the semester is for gear”
问题解答：
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