11.   Beyond affirmative action, companies must understand the differences among people and must increase their sensitivity.

12.   But part of the naivete was not understanding the difference between college soccer and international soccer.

13.   But she understands the difference between tall and big.

14.   But these days he understands the difference.

15.   But too often as young governments struggle for their own identity they fail to understand the difference between justice and revenge, Teson said.

16.   But, understand the difference between junk and weathered furniture, sheadvises.

17.   By the time I arrived in Tokyo, I still felt different, but I understood the difference.

18.   Colors represent skin tones, helping children understand differences.

19.   Do users understand the difference?

20.   Fewer and fewer people understand the difference between like and as, which and that, let alone when to use the subjunctive.