对外
external; foreign; pertaining to external or foreign (affairs)
对外经济贸易大学
University of International Business and Economics
对外联络部
CPC central committee's external affairs department (i.e. Chinese communist party's foreign office)
对外贸易经济合作部
Ministry of Foreign Trade and Economic Cooperation (MOFTEC)
中国人民对外友好协会
Chinese People's Association for Friendship with Foreign Countries (CPAFFC)