机动车辆；汽车一种装有轮胎的自行驱动的交通工具；机动车辆。
A self-propelled conveyance that runs on tires; a motor vehicle.
若提供者接受了一个消费者驱动的契约，那么它只需保证已有约束仍能得到满足，即可自行改进与修改其服务。
As part of adopting a consumer-driven contract, a provider is free to evolve and innovate its service offering just so long as it continues to satisfy its existing obligations.
相对于其他卧式自行车，另一项微调是，斯托达德设计的踏板驱动的是前轮，而不是后轮；不过，有一个马达可以转动后轮。
In another tweak to the recumbent, Stoddard designed the pedals to power the front wheel instead of the rear; however, there is a motor that turns the back tire.
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