【材料】有两个爱画画的孩子。第一个孩子的妈妈给儿子一叠纸、一捆笔,并指给他一面墙。她告诉他:你的每一张画,都要贴在墙上,让所有来我家的客人看。第二个孩子的妈妈给儿子一叠纸、一捆笔,还有一个纸篓。她告诉他:你的每一张画,都扔在这个纸篓里,无论你自己对它满意还是不满 [Material] There are two children who love to paint. The first child’s mother gave her son a stack of paper, a bundle of pens, and pointed him to a wall. She told him: Each of your paintings must be affixed to the wall so that all visitors to my house can see it. The second child’s mother gave her son a stack of paper, a bundle of pens, and a paper basket. She told him that each of your paintings is thrown in this paper basket, whether you are satisfied or dissatisfied with it.