translation.en: Now the second lesson that we learned in this is that the constraints on this design really push the innovation, because we had to hit such a low price point, because we had to make a device that could travel on many, many types of terrain but still be usable indoors, and be simple enough to repair, we ended up with a fundamentally new product, a new product that is an innovation
translation.zh: 第二，我们学到了 设计上的限制也推动了创新 因为我们必须降低价格 因为我们要做出一样可以适应很多地形 能在室内使用 设计简单易于修理的轮椅 我们最后发明了全新的产品 一样新产品