translation.en: CA: I mean, those battery packs are incredibly heavy, but you think the math can still work out intelligently -- by combining light body, heavy battery, you can still gain spectacular efficiency.
translation.zh: 克里斯·安德森: 我是说，那些电池组特别的重， 但是你认为通过数学计算还是能够巧妙解决问题的 – 就是通过组合轻的车身、重的电池， 最后你还是可以得到惊人的效率。