unaffordableWiktionary 原文中文来自 ECDICTadj.买不起的，负担不起的构词拆分un-前缀(added to adjectives or past participles) not · (added to nouns) lack of+affordable词根/词干词源说明From un- + affordable.释义（英文）形容词 AdjectiveToo expensive to be afforded.词族派生词（1）unaffordably