不论奥巴马个人做出多少承诺以应对气候变化，但他本人实施新政策的能力仍然有限。

Whatever Mr Obama's personal commitment to doing something about climate change, he has a limited ability to enforce new policies.

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他建议，对于那些不论出于何种原因，必须回绝的请求，“可以在电子邮件中设定固定的回复，比如‘很抱歉，由于时间原因，本人无法处理您关于……的请求。’

For requests you need to turn down for whatever reason, "create a stock response you can email that says something like, 'Sorry, but due to time pressures, I can't honor requests for…, '" he suggests.

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这也正是中国人谈论“百年奥运梦想”的一个原因，也反映出很多中国人在多大程度上视美国为榜样而非敌手，且不论司马先生本人如何放言。

This is at once a reason the Chinese talk of the "hundred years' dream", and a reflection of how much many Chinese – whatever Mr Sima says – see America as a model rather than a rival.

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