对于第(n + 1)步,任何在祖先中已经存在的候选行都将被忽略。
More recently, an election this month to the Little Rock school board descended into an unseemly row about race because one candidate was white and the other black.更近一点的,本月,小石城学校董事会的选举沦为一场不光彩的、事关种族问题的争吵,因为一个候选人是白人,另一个是黑人。