1.   Crime is a complex social phenomenon with no single cause or solution.

2.   Crime is a complex social phenomenon.

3.   First, because of its multidimensional nature, power is a complex phenomenon.

4.   In fact, they obey the conventions of the oral tradition, reducing complex phenomena to single comprehensible causes.

5.   It follows that punishment - or indeed any social phenomenon - is an inevitably highly complex phenomenon which requires extremely subtle analysis.

6.   Most of the difficulty stems from the fact that an eruption is an extremely complex phenomenon.

7.   No single strategy or tactic will resolve such a complex phenomenon as inter-group conflict.

8.   Previous research has shown that trust is a complex phenomenon and a variety of new measures are needed to capture its complexity.

9.   The Industrial Revolution is a complex phenomenon.