专家预测未来的几个世纪里,大批的工人将被机器取代,失去现有的工作。实际上,对美国来说,这并非只是一个未来的概念,上个世纪,扬斯敦的钢铁厂闻名全美,但是二战以后制造业转移,它的炼钢业遭遇重创。5年的时间,整个城市有5万人失去了工作,损失了13亿美元,被称为“区域性危机”。不光是经济,扬斯敦在精神上、文化上都遭遇了打击。十年间精神病防治中心是此前的三倍,90年代中期新建了四座监狱。扬斯敦州立大学的一位 Experts predict that in the coming centuries, a large number of workers will be replaced by machines and lose their existing jobs. In fact, this is not just a concept for the United States. In the last century, Youngstown’s steel plant was famous all over the United States. However, after the manufacturing industry shifted to post-World War II, its steelmaking industry suffered heavy losses. In 5 years, 50,000 people in the entire city lost their jobs and lost 1.3 billion U.S. dollars, which is called the “regional crisis.” Not only the economy, Youngstown has suffered in both spirit and culture. Over the past ten years, the psychiatric center has tripled and four new prisons were built in the mid-1990s. Youngstown State University