英語小笑話:Don't be selfish 別太自私

Don't be selfish
A Mother is admonishing her son.
　　Now, John, don't be selfish. Let your little brother share the bicycle with you.
　　But Mother, I do. I ride it down the hill, and he rides it up the hill.別太自私
　　一位母親在勸告她的兒子。
　　"聽着，約翰，別太自私，讓你的弟弟和你共用一輛自行車。" "媽媽，我是讓他。我先騎下坡，他再騎上坡。