1.  The trains provided cheap travel for the masses.

2.  One of the perks of being a student is cheap travel.

3.  A carefree time, we thought, of cheap travel and exotic sights.

4.  Cheap travel and telephones are making it easy for them to preserve close ties with their homelands.

5.  They fight one another with drastic price cuts, beefed-up weekend papers, cross-promotional gimmicks like cheap travel tickets and human-interest stories whose detail outweighs their consequence.

6.  The firms offer cheap travel in a country where road trips can be long and dangerous, prey to accidents and bandits.