一般唐诗选本都选人李白的《梦游天始吟留别》一诗，但对题目中“留别”一词通常是不作解释的。这也许因为选注者认为此词的意义过于浅显，不言而喻，不愿浪费笔墨吧。但据我了解，大多读者对“留别”一词的意思不甚了了。有些甚至误解。其实，在唐诗中．“留别”一词并非只是? The general selection of the Tang poems are selected Li Bai’s “sleepwalking days to leave do not” a poem, but the title of “stay” is usually not explained. This may be because the electors think the meaning of this word is too obvious, it goes without saying that they do not want to waste pen. However, as far as I understand, most readers do not understand the meaning of “stay-at-home”. Some even misunderstood. In fact, in the Tang poetry. The word “stay” is not just?