The Council on Foreign Relations is "dedicated to increasing America’s understanding of the world and contributing ideas to U.S. foreign policy. The Council accomplishes this mainly by promoting constructive debates and discussions, clarifying world issues, and publishing Foreign Affairs[?]."
... see DB (car)
DB is the abbreviation for Deutsche Bahn, the major German railway company
DB is the abbreviation of Dominion Breweries[?], a major beer brewing company ...