电动汽车已经出现十几年了，但是从没有达到一定的数量以致能影响供电网络或者需要大量新的充电设备。
Electric cars have been around for decades, but never in enough Numbers that they would affect the grid, or require mass rollouts of charging equipment.
电动汽车已经出现十几年了，但是从没有达到一定的数量以致能影响供电网络或者需要大量新的充电设备。
Electric cars have been around for decades, but never in enough Numbers that they would affect the grid, or require mass rollouts of charging equipment.
应用推荐