middle ground

Từ điển Oxford Advanced Learner 8th

ˈmiddle ground [middle ground] BrE NAmE noun uncountable
a set of opinions, decisions, etc. that two or more groups who oppose each other can agree on; a position that is not extreme
•Negotiations have failed to establish any middle ground.
•The ballet company now occupies the middle ground between classical ballet and modern dance.

Example Bank:
•The ballet now occupies the middle ground between classical ballet and modern dance.