Because if we did, that ride would be a lot cheaper -- up to 50 percent cheaper -- and of course for the city you've got a lot more people and a lot fewer cars.
因为如果我们这样做的话， 那出车的成本会大大降低 ——最高能降一半—— 这样一来， 城市里就会有更少的车 搭载更多的人。