在克拉科夫，很多污染物来自家庭或工厂的煤燃烧，而在纽约市，小汽车，卡车和巴士的尾气排放是主要来源。
In Krakow, most of the compounds come from coal burning for home heating and factories, while in New York City, exhaust from cars, trucks and buses is the major source.
但是只要该产品有一定的商业价值，新闻单位可以阻止他人使用自家的新闻出版物。
But a news agency can retain exclusive use of itsproduct so long as it has a commercial value.
有人拍下了他吃力地拖着购物袋的照片，也有人听过他抱怨清理自家小狗排泄物的麻烦。
He has been photographed lugging shopping bags around and been heard complaining about picking up his own dog's droppings.
但是只要该产品有一定的商业价值，新闻单位可以阻止他人使用自家的新闻出版物。
Butanews agency can retain exclusive use of its product so long asithas a commercial value.
龙鑫怀疑自家井水是遭到这些厂排放物的污染。
The Longxin suspected their own well water was the pollution of these plant emissions.
龙鑫怀疑自家井水是遭到这些厂排放物的污染。
The Longxin suspected their own well water was the pollution of these plant emissions.
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