In a classroom, Garry Golden is sharing his ideas with some university students. Golden is a futurist(未来学家). Futurists are scientists who study the world today and use that information to make 1 about the future. Some futurists 2 the environment. Golden studies traffic(交通)— the science of 3 to move people from place to place.
Golden says there will be fewer 4 in cities in the future.
"Cars 5 a lot of space," Golden says. "We have to build lots of parking lots(停车场)for 6, but having so many parking lots isn't always helpful. Much of the time the parking lots are empty. "Golden says cities will make new laws to limit(限制)the number of cars in the future.
"Buses have the same problem 7 parking lots," Golden says. Sometimes they are 8 and sometimes they are empty. Golden says in the future people can use phones to send messages when they want to 9 the bus. And buses can change their ways to pick them up.
"Traffic is a big problem for cities today," Golden says. "10 there are so many things we can do to improve it. I believe that in thirty years we will live in a very different world. "
