adj.相互的，共同的,
Merriam-Webster Online Dictionary
mutual (adjective)1.
a) directed by each toward the other or the others - mutual affection
b) having the same feelings one for the other - they had long been mutual enemies
c) shared in common - enjoying their mutual hobby
d) - joint
2.
characterized by intimacy
3.
of or relating to a plan whereby the members of an organization share in the profits and expenses , specifically of, relating to, or taking the form of an insurance method in which the policyholders constitute the members of the insuring company
Merriam-Webster Online Thesaurus
mutual (adjective)used or done by a number of people as a group
SYNONYMS:
collaborative, combined, common, communal, concerted, conjoint, conjunct, cooperative, joint, multiple, mutual, pooled, public, shared, unitedRELATED WORDS:
bilateral, consensual, reciprocal, symbiotic, synergic, synergistic, two-way; mass, popular; general, generic, universalNEAR ANTONYMS:
personal, private; independent, separate, several; esoteric, particular, special, specialized