contrarians
n.
采取相反态度（或立场）者（的），背道而驰者（的），（股票买卖中）多数人抛售时反而吃进（或多数人吃进时反而抛售）者（的）( contrarian的名词复数 );
例句:
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Listen to those contrarians who saw the Dow peaking in 1995.
来自CNN
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It's all fantastic stuff and a fine return from one of music's great contrarians.
来自BBC
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The motivation of contrarians to deny is, by and large, stronger than arguments can be.
来自SA