It takes me too much time, but it saves money.

我花了太多时间，但它节省金钱。

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The impact of changing the light bulbs in any given household may be puny, but it saves money and it makes an easy, if small contribution to cutting emissions.

在任何一个家庭，换灯泡的作用或许微不足道，但它节省开支，而且为减少排放作出了唾手可得的小小贡献。

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Gibson says it's not cheap to build all of the pipes and pumps for a district cooling system, but it saves money in the long run, especially if existing underground infrastructure can be used.

吉布森说，建立一个区域的冷却系统，所有的管道和泵站并不便宜，但从长远来看，它可以节省钱，特别是当现有的地下基础设施可以被利用的话。

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But if it saves as much money as GM hopes, the maker may build at least three other inexpensive low-volume cars.

FORBES: Water Wagons

It's an incentive, but long term it saves the government a lot more money than the 500 hundred bucks put in if in fact we find we have a generation that's able to care for themselves and not have to look to the government to provide some basic needs they need.

WHITEHOUSE: Key Investments for Middle-Class Families

Not only is what they're doing environmentally sound, but it also over the long term saves money for them.

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