Before the 2600, people had to buy a different system for each game they wanted to play.

I have been playing a different system for 11 years.

A number of different systems have been used over the years.

In response, Texas has set up a very different system.

Perhaps law is not the best example because of the different legal systems.

Even more, they take the same values for very different physical systems.

At last he saw a free machine on a different system.

Sometimes the changes were political, for Here had held a thousand different social systems, one at a time.

Even then, charges for calls between the two different systems were high.

I think it is good to have variety in the different systems.