raison d'etre
n.
"excuse for being," 1864, first recorded in letter of J.S. Mill, from French raison d'être, literally "rational grounds for existence."
| 词汇 | raison d'etre |
| 词根词缀 | Online Etymology Dictionary raison d'etre n. "excuse for being," 1864, first recorded in letter of J.S. Mill, from French raison d'être, literally "rational grounds for existence." |
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