We're all used to seeing 'concept cars' -- those bits of automotive frippery that manufacturers trot out at motor shows every few months. Generally, they're either design tinsel that will never see the light of day, or previews of cars that will soon appear in showrooms.
원문출처 : http://www.cnn.com/2017/08/03/autos/mercedes-benz-f015/index.html
원문출처 : http://www.cnn.com/2017/08/03/autos/mercedes-benz-f015/index.html