A new type of solar thermal system for homes that can provide heat, hot water, and electricity is being tested in Boulder, Colo., over the next few months.

未来几个月，科罗拉多州博尔德市将测试一种新型的家用太阳能热系统，该系统可以提供热量、热水和电力。

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How do you explain that in Boulder, Colo., the average cost of medicare treatment is $9,103, whereas an hour away in Fort Collins, Colo., the cost is $6,448?

你如何解释在科罗拉多州博尔德市，医疗保险的平均费用是9103美元，而在一小时车程远的科罗拉多州柯林斯堡，费用却是6448美元？

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In Boulder, Colo., a surge of electricity on the power grid can largely go unnoticed.

在科罗拉多州波尔得市，大部分电网的电力波动都不被人们察觉。

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Josh Wurman, a meteorologist who heads the Center for Severe Weather Research in Boulder, Colo.

WSJ: Extreme Weather Storm Chasers Create Chaos for Emergency Crews

For example, Vaisala, an environmental monitoring and analytics company based in Boulder, Colo.

FORBES: Global Warming's Other Big Business Opportunity

Heading the list of the unhappiest U.S. cities to work in is Boulder, Colo.

FORBES: The Happiest And Unhappiest Cities To Work In Right Now