因此，我们的挑战是增加汽车带来的好处，降低（并最终消除）汽车带来的伤害，从而让未来乘车旅行变得清洁、高效、安全且人人可行。
Our challenge, therefore, is to boost the benefits and reduce (and eventually eliminate) the harm done by our cars, so that the future of motor travel is clean, efficient, safe, and accessible to all.