These homes were all built to take advantage of simple, natural cooling methods–no air conditioner required.

这些住宅都利用简单、自然的冷却方法而建——无需空调。

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Y: Well, for some people, the natural cooling-off process doesn't work the way it should.

对有些人来说，这个自然降温的过程无法正常进行。

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In addition, mute oil free compressor USES air convection principle, to achieve the natural cooling effect.

另外，静音无油空压机采用空气对流原理，达到自然冷却效果。

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Unfortunately, a natural cooling may not occur.

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Designers claim that plants not only provide a beautiful alternative to other materials used in construction, they also offer additional benefits, including noise reduction, natural cooling, air conditioning and a psychological boost to those who use the buildings.

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The government may also want to give some momentum to any natural cooling that could come this year, given that authorities forecast the economy to grow 1% to 3% in 2013, potentially faster than 2012's 1.2% expansion but considerably slower than in 2010 and 2011.

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