近年来各种刊物上不断刊出本世纪文学，史学、哲学研究回顾的文章，我觉得这是很好的。研究一段时间，停一停，想一想，如何深入下去，每每有新的发现。这些回顾文章给我印象最深的一点，是差不多所有的回顾文章都提出了本学科在本世纪研究进展的分期问题。有三期、四期、五期 In recent years, various publications have published articles on this century’s literature, historiography and philosophical review. I think this is very good. Study for a period of time, stop, think about it, how to go further, often with new discoveries. One of the most impressive things about these review articles is that almost all of the review articles present the staging of the discipline’s research progress in this century. There are three, four, five