The rollout of robotaxis on the streets of London is unlikely to happen this year, as regulatory and technical hurdles push back the ambitious schedule set out by the UK government.(由于监管和技术障碍推迟了英国政府制定的雄心勃勃的时间表，无人驾驶出租车今年不太可能出现在伦敦街头。)
由于监管和技术障碍推迟了英国政府制定的雄心勃勃的时间表，无人驾驶出租车今年不太可能出现在伦敦街头。
In 2025, Heidi Alexander, the transport secretary, accelerated(加速，提前) the proposed timeline(时间表，时间线) for commercial trials of fully driverless taxi services by a year(提前一年), announcing that they would start in the spring of this year.
2025年，交通大臣海蒂·亚历山大将全无人驾驶出租车服务商业试点的拟议时间表提前了一年，宣布试点将于今年春季启动。
However, progress has slowed in recent months and Transport for London (TfL) has still not published the guidance that companies wanting to offer services must follow to win its approval.(然而，近几个月进展放缓，伦敦交通局仍未发布企业必须遵循的指导文件。)
然而，近几个月来进展放缓，伦敦交通局（TfL）仍未发布希望提供服务的企业必须遵循的指导文件，以获得其批准。