她也是《美洲栗》的作者，这本书讲述了美国最常见的一种树的社会历史。

She is also the author of American Chestnut, a social history of one of America's most common trees.

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什么是美洲印第安人保留区是一个实践问题，而不是法律定义的问题，普韦布洛村落一直被美国视为保留区。

What constitutes an American Indian reservation is a question of practice, not of legal definition, and the pueblos have always been treated as reservations by the United States.

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去年秋天由世界银行发布的“圈地运动”报告指出，从1990年以来，拉丁美洲的大豆产量的增速已经是美国的两倍了。

Last fall's controversial "land grab" reported by the World Bank noted that, since 1990, Latin American soybean yields grew at twice the speed of America's.

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You can see in the New World with maize being important how America has become a corn dominated society, even though it's still true that we raise wheat, we raise other things in the United States, and we can import different foods, corn has become an incredibly important constituent of the diet in the U.S.

你能发现玉米在美洲大陆的重要性,那美洲是怎样变成主食玉米的社会的呢,尽管我们仍然种植小麦,在美国也种植其他粮食,而且我们能进口各种不同食物,但是玉米还是变成了,美国人食谱中不可代替的部分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选