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Use "avis" in a sentence
"The female entrepreneur, once a rara avis, is now a prized constituent of the economy whose way of doing business reaps enormous financial and social dividends."
"The word aesthetic, which means "being responsive to or appreciative of what is beautiful or pleasurable to the senses," is derived from the Sanskrit word avis, which means "before the eyes, openly, manifestly, evidently.""
"Justice Breyer himself has called such cases a rara avis, which is why having a “presumption” in most cases is, essentially, unnecessary."