Both models include the common characteristic that dark energy must have negative pressure.

Each journal creates its own process, but they have certain common characteristics in general.

Learn about the common characteristics of autism from this article.

Are there any common characteristics to all these remarkable companies?

As with the videotape law, most of the bills going into effect this week have a few common characteristics.

There are however several characteristics common to most extreme sports.

It seems to me that such abuses have three common characteristics.

These common characteristics mean the two species are often confused with one another.

Many work for a few weeks or months, and then quit, another common characteristic.

Each card has its own special function, with some common characteristics.