学以致用——An elephant said to a mouse ,"No doubtthat you are the smallest and most useless thing that I have ever seen .""Padon . Let me take it down ." the mouse said . " I will tell aflea what I know." 为我所用 一头大象对一只小老鼠说:“你无疑是我见过的最小、最没用的东西。”“请再说一遍,让我把它记下来。”老鼠说。“我要讲给我认识的一只跳蚤听。