一个40来岁优雅的女人领着她的儿子走进美国某著名企业总部大厦楼下的花园,并在一张长椅上坐下来吃东西。不一会儿,妇女往地上扔了一个废纸屑,不远处有个老人在修剪花木,他什么话也没有说,走过去捡起那个纸屑,把它扔进了一旁的垃圾箱里。过了一会儿,妇女又扔了一个。老人再次走过去把那个纸屑捡起扔 A 40-year-old elegant woman led her son into the garden downstairs in a famous corporate headquarters building in the United States and sat down on a bench to eat. A moment later, the woman threw a scraps of paper dust on the ground, not far from where an old man pruning the flowers and trees, he said nothing, went to pick up the paper scraps and threw it into the bin beside it. After a while, the woman threw it another. The old man walked over again and picked up the paper scraps