Protect Trees Ladies and gentlemen,I want to say something about trees.As we know now trees are very important to human beings.First of all,they be...
1、节约是一种远见，是一种态度；节约是一种智慧，是对子孙后代的负责。让节约成为一种生活习惯，避免生活中许多资源的浪费行为，其实只需举手之劳。生活告诉...
