You've had a breakthrough to get better fuel economy.
你在节省汽油的技术方面有了新的突破。
Each had 12 different features but two had better road holding and fuel economy.
每个模型都有12个不同的特征，但是其中两个在路面控制和节能方面性能更加。
Each had 12 different features but two had better road holding and fuel economy.
每个模型都有12个不同的特征，但是其中两个在路面控制和节能方面性能更加。
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