notionaladj.
英 'nəʊʃ(ə)n(ə)l | 美 'noʃənl
中文adj. 概念性的；想像的；抽象的；不切实际的
词根词源
notional (adj.)"pertaining to notions," 1590s, from notion + -al (earlier nocional, late 14c., from Medieval Latin notionalis). Meaning "full of whims" is from 1791. Grammatical sense is from 1928 (Jespersen); economics use is from 1958.
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