The delivery function is the most important source of inherent cost differences between the geographic areas served by a post and, indeed between posts themselves.
The delivery function is the most important source of cost differences.
The delivery function doesn't vary at all.
Feminism is a key component to the individualist ethos of the last twenty years.
People are riding motorcycles
The people are leaning against the railing.
A girl is eating dinner with an alien.
Three men gazing into the distance.
A group of girls singing.