Complex sentence: The Eurail pass, formerly known as "Europass" or "Eurorail pass", is a train pass that allows pass holders to travel in 28 European countries on nearly all European railroads and some shipping lines.
Split into simpler sentences: The Eurail pass, formerly known as "Europass" or "Eurorail pass", is a train pass that allows you to travel in 28 European countries. It allows pass holders to travel on nearly all European railroads and some shipping lines.