Job-reducing technological innovations will affect education, health care, government, and even transportation. For example, will we still need so many teachers in the decades to come if the cream of the profession can produce increasingly sophisticated online courses that millions of students can take?
减少就业岗位的技术创新将影响教育、医疗、政府甚至交通。比如，如果顶尖教师可以提供日益成熟的在线课程供数以百万计的学生学习，我们还需要那么多教师吗？如果答案是否定的，所有这些前教师到哪里去谋生？