Together, Gaffin expects green and white to replace black roofs.

总的来说，加芬期望把黑色屋顶换成绿色和白色。

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Because traditional black asphalt roofs heat up in summer and strain the air conditioners.

因为传统的黑柏油屋顶在夏天的时候会吸热，加重了空调的负荷。

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In the misty gloom we draw towards buildings with black-tiled roofs and red pillars, like the palaces in Seoul.

在薄雾的朦胧中我们在一座有黑色屋顶和红色柱子的庙舍前停了下来，屋子有点像首尔的宫殿。

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They compared the effects of black surfaces on rooftops with white roofs.

VOA: special.2010.03.02

But to me and my colleagues, those black roofs look like a vast untapped market.

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Right now, when you fly into a typical American city, you see miles of black roofs (mostly tarpaper shingles, made with a byproduct from burning coal), flanked by green lawns.

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Dozens of houses with black-tiled roofs cluster around the port.

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