Longman Dictionary of Contemporary English
open-door policy
noun
EXAMPLES FROM CORPUS
▪ He can not listen to those who, however well-intentioned, say we should operate an open-door policy.
▪ He has an open-door policy, which means that staff are encouraged to come and see him if they have problems.
▪ Suddenly the open-door policy was in question and was in need of modification.
▪ These remarks were highly embarrassing for the government and brought out the different opinions within the party on the open-door policy.
WordNet
open-door policy
n. the policy of granting equal trade opportunities to all countries [syn: open door]