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Use "authorities" in a sentence
"They bitch to authorities& the authorities side with the ratepayer."
"On a wall was a message written in blood and signed "Z200," a moniker authorities say belongs to a local wing of Mexico's Los Zetas."
"If you've lived under the Communist regime, you would have some anxiety around officialdom, and perhaps my call, and my use of the term authorities, had touched a nerve."