相关Walkingwillbebannedo的文学知识

问题详情： Walkingwillbebannedonescalatorsaspartofatraildesignedtoreducecongestion(拥堵)atsomeofthecountry’sbusieststations.  Inthefirstmoveofitskind,alltravelerswillbeforcedtostandonbothsidesofesca...