It is fun to compare a few different colored markers.

If the dog can't hear the click, use a different marker such as a whistle or a tone on a collar.

Social scientists have thus focused on how, when, and why different markers of ethnic identity become salient.

"Our combination of three different markers had never been applied to the problem before," he said.

New vaccines might leave a different marker, allowing exports to continue.

Some of the pieces have different markers on their two sides.

Twelve different markers of inflammation were studied in healthy, postmenopausal women.

The other four were heading northwest after using a different navigational marker.

However each state is free to choose a different marker, and most states have.

One might argue that the labor market in the United States is much more subtle, taking account of many different markers of future success.