11.  The biologist tries to explain the workings, and the coming into existence, of complex things, in terms of simpler things.

12.  I think Shakespeare is a good complex thing in the universe.

13.  They turned out not to be elementary at all, they are complex things.

14.  And he has that showbiz messiah complex thing working, too.

15.  A year is a complex thing.

16.  Computers are complex things, and getting them all to work in harmony is tricky.

17.  Fortunately, we like to make football a complex thing, sort of like how lawyers treat the English language.

18.  Her ego is a complex thing.

19.  It can do much more complex things than that and you barely have to think about it.

20.  It lets computers communicate better than ever and allows a Web site to do complex things.