Hello,everyone.As we know,the environment of our school is very important to us.Only we have a clean and comfortable enviroment can we do well in our studies.So we should reduce waste on our campu
你好,每个人.正如我们所知,我们学校的环境对我们是非常重要的.只有我们有一个干净舒适的环境,我们才能在我们的研究.所以我们应该减少浪费campu