在推荐学习的近100名美国人中，白人占77%，非裔美国人占18%，美国土著占4%，拉丁裔占1%。

Of nearly 100 Americans recommended to be studied, 77% were white, 18% were African American, 4% were Native American, and 1% were Latino.

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在拉丁美洲，土著群体的文化程度远远低于非土著群体。

In Latin America, indigenous groups have far less schooling than non-indigenous groups.

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在其他国家，土著儿童的预期寿命比其非土著同胞短20年。

In others, an indigenous child can expect to die twenty years before his or her non-indigenous compatriots.

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