Walkingwillbebannedonescalatorsaspartofatraildesignedt...
問題詳情： Walkingwillbebannedonescalatorsaspartofatraildesignedtoreducecongestion(擁堵)atsomeofthecountry’sbusieststations. Inthefirstmoveofitskind,alltravelerswillbeforcedtostandonbothsidesofesca...