住在机场附近或生活在运输繁忙的公路旁的居民,都有说不尽的烦恼:频繁起落的飞机和疾驰而过的载重卡车会产生噪音。长期受噪音干扰,有害于身心健康。对付噪音,人们似乎只有紧闭窗户,把噪音尽量挡在外面。可是,一直关窗,总是一个消极的办法。再说,炎热 Residents living near airports or living on heavily loaded roads have endless troubles: planes that make frequent movements and galloping loads of trucks make noise. Long-term noise interference, harmful to physical and mental health. To deal with the noise, people seem to be only closed windows, the noise as far as possible outside the block. However, the window has always been a negative approach. Besides, it’s hot