But the advantages of reducing air pollution is the subway because it leaves less than cars, scrap the oil and thus the environment more. I think it's worthwhile to make the environment worse and then go back to hurt ourselves and family.
The advantage of the rapid reduction of air pollution because it leaves less waste car oil. It is more environmentally friendly I think it's worthwhile to make the environment worse. Then ruin our family.
But the advantages of the train is air pollution because it release of waste less car, oil. Therefore the environment more. I think it is worth to make the environment worse. Then come back to us, and family.