And as Jack Nerad of Kelly Blue Book points out hybrid technology continues to make big strides.

就如《凯利蓝皮书》的Jack Nerad指出，混合技术继续取得巨大进步。

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Jack Nerad is a marketing analyst for Kelley Blue Book, which keeps close watch on the auto industry.

内拉德是新旧车辆信息供应公司凯利蓝皮书(Kelley Blue Book)的市场分析员，他一直在密切关注着汽车工业。

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The opinions expressed in this commentary are solely those of Jack Nerad.

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"What they might be doing is spending thousands of dollars to save hundreds, " says Jack Nerad, the executive director of Kelley Blue Book's kbb.com.

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