在考研高级英语试题中，以下是一段原创的答案示例：
Question: Discuss the significance of symbolism in Joseph Conrad's "Heart of Darkness."
Answer: Symbolism plays a pivotal role in Joseph Conrad's "Heart of Darkness," serving to deepen the novel's thematic exploration of the human condition and the darkness within. The most prominent symbols include the river, the setting sun, and the Heart of Darkness itself. The river, as a metaphor for the journey into the unknown and the subconscious, represents the progression of the protagonist's psychological descent. The setting sun symbolizes the decline of European civilization and the erosion of moral values. Lastly, the Heart of Darkness, both as a physical location and a metaphor for the inner evil, underscores the novel's central theme of the corruption that lies within humanity.
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