Complex sentence: The 1988 Dallas Cowboys season was the franchise's 29th season in the National Football League, they failed to improve on the record to 7-8 from 1987, finshing at 3-13 and missing the playoffs for the third consecutive season.
Split into simpler sentences: The 1988 Dallas Cowboys season was the franchise's 29th season in the National Football League. They failed to improve on the record to 7-8 from 1987, finshing at 3-13 and missing the playoffs for the third consecutive season.