PG (abbreviation EU) a European political and economic organization that encourages trade and friendship between the countries that are members 欧洲联盟,欧盟
From Longman Business Dictionary
European UnionˌEuropean ˈUnionabbreviation EU nounORGANIZATIONS
an association of European countries, formerly known as the EUROPEAN COMMUNITY. Following the MAASTRICHT TREATY most member countries of the EU are moving towards common economic, foreign, and social POLICIES