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English definition of “sine qua non”

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sine qua non

noun [S]
 
 
formal
something that must be done or achieved before anything else is done or achieved: sine qua non of sth Aspiring business-school students in Europe know that fluent English is a sine qua non of success.
Translations of “sine qua non”
in Chinese (Traditional) 必要條件,必備條件…
in Chinese (Simplified) 必要条件,必备条件…
(Definition of sine qua non from the Cambridge Business English Dictionary © Cambridge University Press)
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