As with most complex systems, there is another side to the story.

From the 15th century on, however, their election was by a complex system.

Of course, in a complex system, many things can go wrong.

It is a very complex system of relations that are also based in your country.

Nature was a complex system; there had to be more to it than anyone could understand from looking at the surface.

Learning to use a complex system effectively may take significant time and training.

"It was a total reform of a very complex system."

With a complex system of needs, food and water become a critical resource in the game.

To check the television, the heat, and all the complex electrical systems.

And like any complex system, there are different ways of measuring how well it's working.