11.   It will take a generation to solve.

12.   It will take generations for Kosovars and Serbs to get to where Slovenians are today.

13.   It would take a generation at least.

14.   Particularly in the Middle East, these experts warn, grievances against the United States reach back decades and will take generations to heal.

15.   Probably take a few generations.

16.   She thinks it might take a generation, however.

17.   Some formerly uninhabitable areas may eventually become suitable for farms and cities, but settling and developing those areas will take generations.

18.   Still, any sea change in attitudes may take another generation.

19.   That is because, under current rescheduling terms, the debt burden will still take generations to reduce to sustainable levels.

20.   That will take generations.