But they did not distinguish any real differences among themselves.

I remembered from a year earlier that it would take a week to distinguish among them.

Others said it has become nearly impossible to distinguish among the firms.

The procedure is repeated until you are able to distinguish among the workers in terms of least cost.

The purpose of the test is to find out how long you can continue to distinguish among different tones.

Its large, almost square design distinguished it among other publications.

There he distinguished himself among some of the foremost military scholars in the nation.

School T-shirts in four different colors distinguished among the teams.

It is even more difficult to distinguish among the various plays excerpted here.

The difficulty in distinguishing among terrorists show how hard a war this is going to be.