Then they took away the old mates and introduced new ones.

The series brought back classic characters, as well as introduced new ones.

Producers planned to ease their characters out of the show while introducing new ones.

However only a small proportion were found to be controlled in this manner, and older girls frequently introduced younger ones into the trade.

The company says it continues to introduce new ones at a rate of about one every six weeks.

Switched diamonds partially solve these problems, but introduce new ones.

McTavish updated some of the existing characters and introduced new ones.

It's really just a matter of closing up all the legacy 'back doors' and getting better about not introducing new ones.

It would be better to expand existing governmental provisions or to introduce new ones.

Time ticks by as you try to correct the first transcription problem without introducing new ones.