To have a more precise view of unit costs (and to have a better level of comparison with U.S. costs which are by route instead of by geographic area), the costs are then divided into two groups per area.
U.S. costs are measured by route and not by geographic area.
U.S. cost are determined by geographic area and no longer by route.
A girl is sitting outside by herself.
Two men are at a football game.
I am not going to think about this.
We will not have the freedom to compete.
Children are playing a soccer match on a soccer field.
Is weather consequential?