Often neighbors take several trips together each year, sharing gasoline costs, home-cooked meals - not to mention laughs and memories.

VOA: standard.2010.03.01

But given their proximity to each other, the two projects were able to cut costs by sharing electrical and transmission infrastructure.

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The world's biggest airlines have flocked together into alliances in an attempt to expand their networks around the world and to cut costs by sharing some parts of their operations.

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While revenue sharing costs and postage costs are variable, other costs have large fixed components.

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