primary election, 初選

Audience members prepare for the start of a Republican presidential debate Feb. 6, 2016, in Manchester, Iowa.
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Presidential Debates And Primary Elections 2016 Calendar: Candidates' Full Schedule Through November
http://www.ibtimes.com/presidential-debates-primary-elections-2016-calendar-candidates-full-schedule-through-2305259

Primary election - Wikipedia, the free encyclopedia

初選