Those are two slightly different things which I won't go in to right now.

自然主义的特征,同时与那些作家，系出同门。

耶鲁公开课 - 1945年后的美国小说课程节选

Wright is writing very much in the vein of those writers.

就有这样的美国自然主义特征。

耶鲁公开课 - 1945年后的美国小说课程节选

racial or ethnic characteristics that distinguish the natural slave from the natural master.

并没有种族特征的区别,介于自然奴隶,与自然主人之间。

耶鲁公开课 - 政治哲学导论课程节选