It is clear, for example, that the carbon cost of transporting tomatoes from Spain to the UK is less than that of producing them in the UK with additional heating and lighting.

例如，从西班牙运输西红柿到英国的碳成本明显比在英国生产西红柿的碳成本要低，后者需要额外的加热和照明。

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The thermal mass of the house has enabled no additional heating in winter to date.

房子的热质量使得至今在冬天没有利用额外的热量。

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The home's existing gas heater ACTS as a back-up system and provides additional heating when needed.

房子原来的燃气加热器作为一个后备系统，在需要的时候提供额外的采暖。

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Additional carbon footprint savings will come from reduced office energy consumption, roadway repairs, urban heating, office construction, business travel and paper usage (as electronic documents replace paper).

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Certainly, the simple addition of bananas to the Starbucks mix seems to be working more, er, smoothly than the previous big innovation, the hot breakfast sandwich, which required bulky additional equipment and confused customers and baristas alike as to where the sandwich should change hands after heating.

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