A major issue is the comparing of numbers gathered in the past, and now, after some key conditions change.

There are several key conditions that typically define a healthy ecosystem.

For this argument to work, however, a number of key conditions have to be met.

The fund said Russia had failed to meet key conditions, chiefly the collection of taxes.

West German officials say they hope that an agreement can be reached by early next week on the key conditions for such negotiations.

Chinese movement on the prison labor issue is one of the key conditions President Clinton has laid down.

But his comments fell short of abandoning Britain's key conditions for membership.

In order for that to happen, two key conditions must first be met.

At the same time, key conditions in the area of data protection shall be strictly observed.

The key outstanding condition is the ability to meet international standards for the conduct of free and fair elections.