单词 | sine qua non |
释义 | si·ne qua non (sĭn′ĭ kwä nŏn, nōn, sī′nĭ, kwā) n. An essential element or condition: "The perfect cake is the sine qua non of the carefully planned modern wedding" (J.M. Hilary). [Late Latin sine quā (causā) nōn, without which (cause) not : Latin sine, without + Latin quā : feminine ablative of quī, which + Latin nōn, not.] |
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