1.   Balthus, who had a particularly refined sense of the absurd, no doubt would have relished this tidbit of American backwardness.

2.   Grinkov and Gordeeva were among a transplanted group of Russians and Ukrainians credited with bringing a refined sense of artistry to professional skating.

3.   Their latest idea is to speed the loading of subway trains by asking New Yorkers to develop a more refined sense of subway etiquette.

4.   There is the refined sense that the smarter people are the ones who see their own flaws.