Though the vans were driverless and mapless, they did carry researchers as passengers just in case of emergencies.

虽然这些汽车是无人驾驶的并且没有地图支持，一些研究人员还是以乘客的身份坐在车里以防一些紧急情况。

youdao

Though the vans were driverless and mapless, they did carry researchers as passengers just in case of emergencies.

虽然这些汽车是无人驾驶的并且没有地图支持，一些研究人员还是以乘客的身份坐在车里以防一些紧急情况。

youdao