Some drivers are good at driving, but not good at other sports.

有一些车手驾驶技术好，但不擅长其他运动。

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They also demanded that the city hire black bus drivers and that anyone be permitted to sit in the middle of the bus and not have to get up for anyone else.

VOA: special.2009.03.08

And Transport for London are always telling people to not to use the minicab, illegal minicab drivers,

伦敦交通局经常警告市民，不要坐不合法的微型出租车，

小心微型出租车 - SpeakingMax英语口语达人

in others there are not. And there is a long history of animosity between drivers and cyclists here.

VOA: standard.2010.07.30

But overall, they were not drivers of this crisis.

FORBES: Intelligent Investing Briefing Book

Unlike other services, Sidecar uses everyday drivers, not professional drivers.

FORBES: SideCar Raises $10 Million From Google Ventures, Lightspeed

Of course, the bottom line is that no one - not the teams, not the drivers, not the FIA - actually knows how this will work in practice, and they will not until the first race in Bahrain on 13 March.

BBC: How new rules could change the F1 championship