He traded in his car for a new model.

他把旧汽车折价添钱买了辆新型号的。

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A friend of his, a repairman who knew the condition of the car, urging him to trade his old car for a new model.

他赌一个朋友，一个了解这辆汽吹情况的艳理工，缺帖把那辆旧扯作价再补些钱买辆忻型的。

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This will make it even harder for car designers to persuade those driving electrically to trade in their rustless, tough-as-old-boots vehicles for a new model.

这就使汽车设计商更有底气来说服那些电动力汽车生产商采用他们不锈而且坚固异常的新车身。

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October used to be a special time for car dealers, the start of a new model year, when the latest vehicles would start arriving in showrooms drawing curious buyers looking for the newest styles and latest technologies.

FORBES

Your friend gets a new sports car, for example, and now you want to trade in your late-model Camry so as to appear to be just as successful.

FORBES: The Fear of Missing Out

Tesla Motors has made it clear that it is preparing to increasing Model S prices for new reservations for the electric car, Maxim Group analyst Aaron Chew notes in a research note this morning.

FORBES: Tesla Model S Price Hike Appears Likely, Analyst Notes