加州奥尔巴尼、奥克兰、旧金山和科罗拉多州博尔德的类似措施正成为热点问题。

Similar measures in California's Albany, Oakland, San Francisco and Colorado's Boulder are becoming hot-button issues.

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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。

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.

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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？

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?

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