1. 关键词］显晦；本义；接受者；接受史
Key words: light and shade; original meaning; receiver; reception history
2. 显晦
2. 论文用接受美学的方法，考察了杜甫在唐代各阶段的显晦，并站在具体的历史场景中加以解释。
This paper, with esthetical method, inspects ups and downs of Du Fu in various stages of the Tang Dynasty, and stands in the concrete historical scene to explain it.