60% of air pollution is from waste gases of vehicles and in cities uo to 80%翻译
问题描述：
60% of air pollution is from waste gases of vehicles and in cities uo to 80%翻译
答
60%的空气污染是由汽车尾气排放造成的,而城市里有80%的空气污染是由汽车尾气排放造成的.