VOA慢速英语:Nigerian President Goodluck Jonathan Admits Defeat

opponent – n. a person, team, group, etc., that is competing against another in a contest or election

concede – v. to admit that you have been defeated, and stop trying to win

negotiator – n. a person who is involved in formal financial or political discussions in order to try to reach an agreement

sanction – n. an action that is taken or an order that is given to force a country to obey international laws by limiting or stopping trade with that country, by not allowing economic aid for that country,

draft – n. a version of something (such as a document) that you make before you make the final version