核心问题
responsible for 与 responsible to 用法是否相同？能否互换？
词典解答
responsible for 与 responsible to 的用法是不同的。前者表示“对某事(或做某事)负有责任的”，而后者表示“向(对)……负责任”，尤指对上级负责任，即有责任把自己所做的事情向上级作报告。
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The government is responsible for the nation's welfare. (MD) 政府对国家的福利负有责任。
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We're responsible to a development committee. (EED) 我们对一个开发委员会负责。
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Who is responsible to the parents for the education of children? 对于孩子的教育谁对家长们负责？
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A guardian is responsible to the court for his conduct in office. 监护人对他行使职责的行为应向法院负责。