本文还通过塞丝的成长历程反映了美国黑人的历史，揭示了隐藏在树意象和塞丝的成长经历背后的深刻的社会主题：美国黑人必须去正视、去理解那不堪回首的往昔岁月，才能够开创出美好的未来。

In addition, it reveals a deep social significance reflected by tree image and growth of Sethe, that is, only by confronting and understanding the past life can the blacks create a bright future.

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这些成功却自相矛盾地掩盖了历史上积累的不利因素所造成的巨大人力成本，而这些不利因素仍然是美国黑人生活的核心。

These successes paradoxically obscure the tremendous human costs of historically accumulated disadvantage that remain central to black Americans' lives.

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在他的家乡即使不能够根除美国历史造成的种族主义伤害，奥巴马也可以一定程度的安抚创伤并且减缓美国黑人将所有问题归咎于种族主义的趋势。

At home he would salve, if not close, the ugly racial wound left by America’s history and lessen the tendency of American blacks to blame all their problems on racism.

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And many people have noted that it's the spirituals, the slave spirituals, that express perhaps the most authentic forms of Christian faith that this country has produced.

很多人都注意到，圣歌，黑人圣歌，或许是美国历史上表达基督信仰的,最真诚的形式。

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