common ground noun
VERB + COMMON GROUND have, share The people on the course all share a lot of common ground. | establish, find | find yourself on
PREP. on ~ We found ourselves on common ground on the question of education. | ~ between to find common ground between the two sides
PHRASES an area of common ground
You can also check other dicts: common ground (English, 中文解释 ), wordnet sense, Collins Definition