But they underestimated the obstacles in the way of producing a reliable, affordable car with the kind of range and drivability motorists now take for granted.

• 然而他们低估了现实，要制造安全可靠、价格合理，并且行驶距离和驾驶性能被广大司机接受的氢燃料电池汽车并没有想象中那么容易。