但是我正在写毕业论文，所以我以为我可以留着这本书一整个学年。

But I am writing my senior thesis, so I thought I was allowed to keep the book for the whole academic year.

youdao

但是我正在写毕业论文，所以我以为我可以留着这本书一整个学年。

But I am writing my senior thesis, so I thought I was allowed to keep the book for the whole academic year.

youdao