但历史和经济理论表明人们对技术失业问题（这个词由约翰·梅纳德·凯恩斯在近一个世纪前发明）的焦虑是没有道理的。
History and economic theory, however, suggest that anxieties about technological unemployment, a term coined by John Maynard Keynes nearly a century ago, are misplaced.