Match the English sentences in the following with their Chinese meanings. A. Welcome to the Tianjin Railway Station. B. A careless parent lost his child on Platform 7. C. Heavy rails include high-speed rail, freight, commuter and metro/subway. D. A monorail indicates a single rail serving as a track. E. Cyber attacks could influence metro control to some extent. F. Electronic technology is complicated in a railroad system. G. Equipment safety is vital to the passengers’ journey. H. There is more to understand railroad wayside signals than simply “green means go, red means stop.” I. Railroad traffic control boils down to three situations. J. Railroad signals have two purposes, protection and control.