名词
中文翻译：原因
同义词：
['cause', 'reason', 'rationale']
例句：
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1. The accident was caused by the driver's carelessness.
事故是由于驾驶员的粗心大意引起的。
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2. He gave me a reason for not going to the party.
他给了我不去聚会的理由。
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3. The decision was based on several reasons.
这个决定是基于几个理由做出的。