If you had charge spots everywhere, and you had battery swap stations everywhere, how often would you do it? And it ends up that you'd do swapping less times than you stop at a gas station.
如果任何地方都有充电站， 任何地方都有电池替换系统， 你会多久换一次电池，充一次电？ 其实这样下来 你换电池的频率比你加油的频率要低。