因为你不知是谁会爱上你的笑容

　　never frown,even when you are sad,because you never know who is falling in love with your smile.纵然伤心，也不要悉眉不展，因为你不知是谁会爱上你的笑容。we are the world, never give a sad falling behind the awarding of medals.我们这个世界，从不会给一个伤心的落伍者颁发奖牌。