【单选题】D Andrew Ritchie, inventor of the Brompton folding bicycle, once said that the perfect portable bike would be “like a magic carpet…You could fold it up and put it into your pocket or handbag”. Then he...
【简答题】D Andrew Ritchie, inventor of the Brompton folding bicycle,once said that the perfect portable bike would be “like a magic carpet…Youcould fold it up and put it into your pocket or handbag”. Then he p...