如果电子线路保养得当保费就会下降，正像油电混合汽车普瑞斯那样。
Or it may be that electrics are operated with more care than conventional vehicles and premiums will drop, as has been the case for gasoline-electric hybrids such as the Prius.
解决这个问题的方法之一便是混合动力汽车，即既有汽油发动机又有电力发动机的油电混合动力汽车。
One method of solving the problem was a hybrid car, one that ran partly on petrol and partly on electricity.
油电混合动力并不是全电动汽车的唯一可用选项。
Petrol-electric hybrids are not the only alternative to all-battery cars.
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