21.   For the most part, players say they understand the difference.

22.   He believes Americans will come to understand the difference between the most famous Binladin and all the rest.

23.   He should understand the difference between talking and doing.

24.   Here at the Stadium, even Gwynn understands the difference.

25.   Holyfield understands the difference this made in their lives.

26.   I understand the differences between the two and certainly the benefits.

27.   I think audiences understand the difference between the movie version of Bernard Shaw and the CNN version of Bernard Shaw.

28.   I help them understand the differences.

29.   It takes more than that, and Jones, for all his salesmanship about how much football he knows, understands the difference between himself and the real professionals.

30.   Its presence in everyday parlance shows that people understand the difference between good intentions and bad.