"We are the only channel that has this kind of tape!"

This must be the only channel these people get.

And we are making it clear that this is the only authorized channel of communication.

Ambitious politicians joined the party because it was the only channel they had.

It is the only local channel available all over the country.

For a long time the department was the only channel of communication between the people and the government.

It is the only channel in the area to have a weekday morning show that begins at 4:30.

The only channel open to us is to make our voice heard in the appropriate international forums. We cannot do more than this.

This is the only channel for aid still open.

Traditionally, the branch was the only channel of access to a financial institution's services.