1.external2.foreign3.pertaining to external or foreign (affairs)
对外联络部對外聯絡部 CCP central committee's external affairs department (i.e. Chinese communist party's foreign office)
对外经济贸易大学對外經濟貿易大學 University of International Business and Economics
中国人民对外友好协会中國人民對外友好協會 Chinese People's Association for Friendship with Foreign Countries (CPAFFC)