The tunnel caved in because of the earthquake the other day.

I explored the dark cave with a flashlight.

The heavy rain caused a cave-in in the road.

He compares caving to rock climbing in the dark.

The cave man used primitive tools to survive.

Caveat venditor is a principle that places the responsibility of risk on the seller.

Japan’s surprise trade surplus comes with caveats for growth.

Caveat emptor is a Latin phrase that means 'let the buyer beware'.