课本该循环使用吗？ Should Text Books Be Recycled?
英语课
When the school begins, students need to start their new semester 1, the first thing they do is to buy the text books, most students will buy the new books, while it has become popular that students choose to buy the second-hand 2 text books. It is good that text books are recycled, it can save the resource and reduce the waste, thus leaving more resources to the next generation. What’s more, it also saves students a lot of money. Students can buy the second-hand book at a very low price, students use the book only for a semester, it will become useless after they reading it, so there is no need for them to spend so much money on the contemporary book.
当开学的时候，学生需要开始他们的新学期，他们做的第一件事情就是买课本，大部分学生会买新的课本，然而一些学生选择买二手书，这变得越来越流行。课本循环使用，这是好的，这能节省资源和减少废物，给后代留下更多的资源。而且，这也省下学生很多钱。学生可以低价买下二手书，他们的书本只用一个学期，看完后就会变得无用了，所以对他们来说没必要花那么多的钱在暂时性的书本。
n.一学期，半学年，六个月的时间
- A student will probably attend four or five courses during each semester.每个学生一学期可能要修四五门课程。
- I had an especially rough time during my first semester.我第一个学期的日子难受极了。
adj.用过的，旧的，二手的
- I got this book by chance at a second-hand bookshop.我赶巧在一家旧书店里买到这本书。
- They will put all these second-hand goods up for sale.他们将把这些旧货全部公开出售。
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课本