Tenyearsago,thereweremanynarrowstreets.Butnowmanystreetshavebeenwidened.Sobusesandcarscangomorequicklythanbefore.Tenyearsago,itwasnotconvenienttogofromthenorthofthecitytothesouth.Butnow,youaresuretoreachanywhereinlessthananhour.Toourjoy,wehavetwoundergroundlinesandmanymorearebeingbuilt.Weseldomfindtrafficjaminrushhours.Sowedon'thavetoworryaboutgoingout.Withthedevelopmentofscienceandtechnology,thetransportationinShanghaiwillbecomeallthebetter.