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Phrase(s): revolve around someone or something [and] revolve about someone or something
1. Lit. to spin or move around someone or something. • Do you think that the whole world revolves around you? • The moon revolves about the earth. 2. Fig. [for people or things] to center upon someone or something or to be primarily concerned with someone or something. • The way all of this is going to turn out revolves around Bob. • The success of the picnic revolves around the weather.
McGrawhill's American Idioms And Phrasal Verbs