名词
中文翻译：义务
同义词：
['duty', 'responsibility', 'obligation例句：1. He felt a strong obligation to help his friend in need.（他感到有强烈的义务去帮助需要帮助的朋友。）']
例句：
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1. He felt a strong obligation to help his friend in need.
他感到有强烈的义务去帮助需要帮助的朋友。
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2.The company has an obligation to provide safe working conditions.
公司有义务提供安全的工作环境。
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3.She felt a deep sense of obligation towards her family.
她对家庭有一种深深的责任感。