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Use "directorates" in a sentence
"An official comes (my friend is an official not of the lowest echelon by Muscovite measures) to the housing-exploitation office (they're now called directorates or administrations) and randomly chooses two surnames from a list provided."
"More realistically, though, I think it would be easiest to make each of your proposed agencies "directorates" much like the CIA operates."
"For years, the various "directorates" of the Commission didn't even have names, just Roman numerals for identification."