revolve around
US /rɪˈvɑlv əˈraʊnd/
UK /rɪˈvɑlv əˈraʊnd/

1.
围绕, 以...为中心
to have as a main subject or purpose
:
•
The discussion revolved around the new project.
讨论围绕着新项目展开。
•
His life seems to revolve around his children.
他的生活似乎围绕着他的孩子。
围绕, 以...为中心
to have as a main subject or purpose