Complex sentence: The system is built by Department of Rapid Transit Systems, TMG (DORTS) and operated by the Taipei Rapid Transit Corporation (TRTC) and consists of 99 stations and of revenue track.
Split into simpler sentences: The system is built by the Department of Rapid Transit Systems (DORTS) and operated by the Taipei Rapid Transit Corporation (TRTC). It consists of 99 stations and of revenue track.