He is of average height.

She is almost as intelligent as an average human child.

The food at the new restaurant is nothing special - average at best.

The average American living space is twice as large as the living space in Japan.

The average length is seven hours and forty-five minutes, not much different from what a lot of humans need.

However, like America, Japan is predominantly a middle-class, middle-income country, and so wives do not employ maids, but attend to everything themselves.