当代英国著名文学评论家、研究报告文学的专家、牛津大学教授约翰·凯里认为：报告文学必须是目击者所撰写的作品，或者作品必须是根据目击者的叙述所写成的，也就是说，报告文学必须以某种事实为依据。报告文学的题材可以是重要的历史人物或事件，也可以是凡人琐事，包括新闻 John Carey, a contemporary English literature critic and research reportage expert and professor at Oxford University, argues that reportage must be written by witnesses or that works must be written based on eyewitness accounts. That is, Reportage must be based on some fact. The subject matter of reportage can be an important historical figure or event, or a mortal trivia, including news