It adds drama and is an important happening in a complex piece.

And, when the generator stopped working, the big computer would become nothing more than a very complex piece of junk.

For instance a car is a complex piece of equipment.

Simple tunes are more likely to get stuck than complex pieces of music.

It was the most technically complex piece of acting I've ever had to do.

I mean, it is a phenomenally complex piece of work.

This meant that the Amendment was a complex piece of legislation.

Listen guys, any complex piece of software has security holes.

David is many complex pieces, sometimes never seen by the reading or convention-going public.

It's a complex piece that could inspire a number of different readings.