have something in common

Từ điển Oxford Advanced Learner 8th

▪ I. have sth in common (with sb) idiom
(of people)to have the same interests, ideas, etc. as sb else
•Tim and I have nothing in common./I have nothing in common with Tim.
Main entry: ↑common_idiom
 
▪ II. have sth in common (with sth) idiom
(of things, places, etc.)to have the same features, characteristics, etc
• The two cultures have a lot in common.
Main entry: ↑common_idiom