mutual

英['mjuːtʃʊəl;-tjʊəl] 美['mjutʃuəl]

1. common to or shared by two or more parties;

"a common friend"

"the mutual interests of management and labor"

2. concerning each of two or more persons or things; especially given or done in return;

"reciprocal aid"

"reciprocal trade"

"mutual respect"

"reciprocal privileges at other clubs"