HYBRID SYSTEMS HAVE obvious fuel-saving benefits. Trouble is, they only begin to make financial sense when applied to high-end luxury models, whose well-to-do customers aren't as bothered by fuel efficiency as the rest of us. So why not focus instead on performance gains? That, in essence, is the thinking behind the BMW Active Hybrid 7.
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机译：混合动力系统具有明显的节油优势。麻烦的是，它们仅在应用于高端豪华车型时才开始具有财务意义，因为这些高端客户的燃油效率不如我们其他人那么高。那么，为什么不专注于性能提升呢？本质上，这就是BMW Active Hybrid 7背后的想法。
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