我们可以回收利用这些书，可以再次卖给学生，因为里面有很多有用的笔记和学

我们可以回收利用这些书，可以再次卖给学生，因为里面有很多有用的笔记和学习心得

結果 (英文) 1:

We can recycle these books, you can once again sold to students, because there are a lot of useful notes and learnedWe can recycle these books, you can once again sold to students, because there are a lot of useful notes and learned

結果 (英文) 2:

We can recycle these books, can be sold to the students, because there are a lot of useful notes and learning experienceWe can recycle these books, can be sold to the students, because there are a lot of useful notes and learning experience

結果 (英文) 3:

We can recycle those books that can be sold to students again, because there are a lot of useful notes and learning experiences