Fā / zhǎn / gòng / tóng / jiāo / tōng / kě / yǐ / jiǎn / shǎo / chéng / shì / lǐ / de / qì / chē / shù / liàng发展共同交通可以减少城市里的汽车数量。Developing public transportation can reduce the number of cars in cities.