1.   But corporate-responsibility campaigners and ethical consumers are only beginning to skim the surface.

2.   He threw a flat stone and watched it skim the surface of the lake.

3.   It would take a hundred lifetimes merely to skim the surface and, alas, we are only given one.

4.   This paper has barely skimmed the surface.

5.   I was the one who had been blind, my eyes merely skimming the surface of things.

6.   Add chicken pieces, bring to a boil again, and skim surface.

7.   Bring to a simmer slowly, occasionally skimming the surface.

8.   Bring to a boil and skim the surface thoroughly.

9.   Bring to a boil, and skim the surface as necessary to remove as much fat as possible.

10.   Despite the drama inherent in the story, the movie plays flatly and undramatically, merely skimming the surface of the many parental issues it raises.