The world is like a mirror, frown at it, and it frowns at you. Smile and it smiles, too. —— Herbert Samuels 世界犹如一面镜子:朝着它皱眉,它就朝你皱眉;朝着它微笑,它也会对你微笑。 >>点我填写答案与查看答案,欢迎挑战