She was also known for putting together interesting variations on standard operas.

An interesting variation on this theme may occur in a small number of bacteria.

"Did you encounter some interesting variations during your, er, war experience?"

Kissing when female friends meet is usual in many countries, with some interesting variations.

An interesting regional variation on traditional female roles continued in the late 1980s.

An interesting variation on "how many 10 year olds could you take in a fight", perhaps?

So it is, with interesting variations, in the first three stories of this section.

An interesting variation of the previous structures has been developed and analyzed.

These general trends once again disguise some interesting regional and local variations in results.

It started all over again, but with interesting variations.