The sea armies protect our coasts.

The air forces protect the country's airspace.

Space armies protect the galaxy.

The saut-de-loup is a natural obstacle used in fortifications.

He accepted a bribe to turn a blind eye to the fraud.

I bought a white undershirt.

The car's gearbox is broken.

It goes without saying that the sun rises in the east.

Cruise control is very convenient on long journeys.

A helping hand can make all the difference in a difficult situation.