translation.en: And it's obvious from the diagram that every unit of energy you save at the wheels is going to avoid wasting another seven units of energy getting that energy to the wheels.
translation.zh: 从图表中明显可以看出大家省的那一份油都省在车轮上了 接下来我们要把浪费掉的另外七份省出来 都用到车轮子上