sine qua non

sine qua non (sI-nee kway nonorsin-ay kwah nohn), n. [Latin “without which not”] An indispensable condition or thing; something on which something else necessarily depends. — Also termed conditio sine qua non. [Cases: Negligence 379.]

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词条贡献者

资深译员Lester，毕业于美国一流的高级翻译学院，专注翻译各种与复杂国际仲裁有关的法律文件。