For people who don't have cars, and many, many of the Wuhan residents don't have cars, if the buses are locked down, then they might have to walk three, four hours, to get to a hospital.
Para los que no tienen carro, y muchos, muchos de los residentes de Wuhan no los tienen, si los buses están cerrados, entonces tendrían que caminar tres, cuatro horas, para llegar al hospital.