a policy of nonparticipation in international economic and political relations
isolationism详细解释
i.so.la.tion.ism n.（名词）A national policy of abstaining from political or economic relations with other countries.孤立主义：一种避免与其它国家建立政治或经济关系的国家政策 【引伸】 i.sola.tionist n.（名词）
