digressionWiktionary 原文中文来自 ECDICTn.离题，扯到枝节上，偏离演变路径（由近及远）英语源自 ←古法语 digressiun源自 ←拉丁语 digressio词源说明From Old French digressiun or disgressiun, from Latin dīgressiōnem, from dīgressus + -iō (suffix forming abstract nouns from verbs), the past passive participle of dīgredior (“to step away, to digress”), from dis- + gradior (“to step, walk, go”).释义（英文）名词 NounAn aside, an act of straying from the main subject in speech or writing.(generally uncountable) The act of straying from the main