The flood deposited a layer of mud.

Many firms are competing for the wealthier segment of the market.

We call these slabs of the solid-rock layer 'plates'.

One fifth of the earth's surface is covered by permafrost.

The rising generation always have some funny ideas.

The reformers were subject to every attack from the Establishment.

The Japanese distribution system, characterized by layers of wholesale, is complex and costly.

It grew strength from the young people who rejected the myth of their generation's apathy … who left their homes and their families for jobs that offered little pay and less sleep.