revolve aroundsb/sth
—phrasal verbwithrevolveverb[IorT]uk/rɪˈvɒlv/us/rɪˈvɑːlv/
(UKalsorevolve roundsb/sth)to have someone or something as themainor mostimportantinterestorsubject
以…为中心；以…为主题；围绕…
Theconversationrevolvedaroundchildcareproblems.这次会谈的中心议题是儿童保育方面的问题。
Hiswholeliferevolvesaroundfootball.足球是他生活的中心。