斯蒂芬·瑟尔克维茨说：“建筑物的业主每年花费在建筑物保温上的费用高达四十亿美元，我宁愿把这些钱放在我的口袋了，而不是让他们从窗户里溜走。”

"It costs homeowners about $40 billion a year, " he says. "And I'd rather have the $40 billion in my pocket [instead] of sending it out the window."

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斯蒂芬·瑟尔克维茨是劳伦斯·伯克利国家实验室的建筑技术研发组的主管，他表示能量的丧失就意味着金钱的浪费。

All that lost energy costs money, says Stephen Selkowitz, head of building technologies at Berkeley Lab.

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斯蒂芬·瑟尔克维茨表示智能窗户将在不到三年的时间里投入市场，但价格不便宜，差不多是现在普通窗户价格的两倍。

Selkowitz says smart windows could be widely available in as little as three years, but they won't be cheap — possibly costing twice as much as today's windows.

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