The design draws its inspiration from the speeddemon Ghost Rider as well as a flying falcon. Source.
它的设计灵感来自速度之魔幽灵骑士，也有一部分来自猎隼。
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It's worth noting that the 13-inch MacBook Air, with its faster 1.86 GHz Core 2 Duo processor, wasn't a speeddemon by any stretch, but was a tad faster.