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1·It's a role he relishes, particularly for the cognitive dissonance it serves up: a Republican Deadhead?

这是他很喜欢的一个角色，尤其因为它提供了认知不和谐的旋律：一个共和党的庸人？

2·Deadhead means a vehicle, such as an aircraft and truck that transports no passengers or freight during a single trip.

空回头车指如飞机和卡车的交通工具在单程中没有运输乘客或货物。