Here we are on the train.
Yes, we are travelling at rush hours. It could be very crowded in the morning and after 6 o'clock in the afternoon.
I hear many people have cars.
Yes, almost all the families have their own cars.
Why don't they drive? Isn't a car more convenient than the subway?
Well, it is hard to find a parking place in the city. Besides, parking is quite expensive in the downtown.