名词
中文翻译：原因
同义词：
['cause', 'reason', 'rationale例句：1. The accident was caused by a sudden brake failure.（这起事故是由于刹车突然失灵造成的。）']
例句：
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1. The accident was caused by a sudden brake failure.
这起事故是由于刹车突然失灵造成的。
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2. He had no explanation for the delay; it was simply due to lack of time.
他对于延误没有解释，只是时间不够。
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3. The decision was based on several causas proxima.
这个决定是基于几个原因的。