I think their nickname is "BorisBikes" cause the mayor Boris Johnson set up the scheme.
我想他们的小名是“鲍里斯车”，因为市长鲍里斯·约翰逊建立了这项计划。
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London's bike hire scheme couldn't be simpler, by the way: just go up to the terminal at any docking station, pay by card and take away one of our so-called "Borisbikes".