However, there may be certain regional variations in ingredients.

Albeit with certain symbolic variations, Jesus himself conforms to this pattern.

All that natural selection can do is accept certain new variations, and reject others.

The various electoral acts require the population of each seat to be equal within certain strictly limited variations.

Extensive field experience is required to distinguish between certain plumage variations.

As they settled in various parts of this country, they established certain regional variations.

In the monastic rules prior to the 10th century certain variations are found.

There are certain variations in the spelling of the name.

His past is much like "The Hero"'s present with certain variations.

Using different configurations a certain variation is, as seen above, possible.