以下为句子列表：
英文: Although Dr Roaf's roof is unusual in Britain, one day we may all be like her: elctricity companies will pay us and whole cities may become self-sustaining power generators.
中文: 虽然罗芙博士设计的屋顶在英国并不常见，但有朝一日我们都可以像她那样：电力公司将付款给我们，而且整个城市会变成能自给电力的发电机。
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