Ключевые слова: across, allowed, annual, auto, automobile, business, center, direction, driving, ecology, environmentally, event, freedom, friendly, hainan island, highway, hybrid, hybrid buses, intensive, lifestyles, local, lunar, metropolis, modern, move, palm tree, passenger, public, rapid, relaxation, road traffic, roadside, route, scene, setting, skyline, speed, stop, traffic, traffic light, transit, transportation, trip, tropics, vehicles,