The 1990 Census revealed that "a majority of immigrants from each of the fifteen most common countries of origin spoke English 'well' or 'very well' after ten years of residence."

1990年的人口普查显示：“来自15个最常见的原籍国的大多数移民在居住10年后，英语水平为‘好’或‘非常好’。”

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A far bigger cause of concern than the growth of national groups, however, is the increasing number of migrants who return to their countries of origin.

然而，比民族群体增长更令人担忧的是越来越多的移民返回其原籍国。

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Evidence is increasing that more and more artifacts are being illegally unearthed from their countries of origin.

日益增多的证据表明，越来越多的文物正在其所在国被非法挖掘。

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The island doesn't really do repatriation, it hasn't the resources to check their countries of origin.

BBC: Last Updated: Wednesday, 16 January 2008, 12:19 GMT

These individuals seek out shelter and aid that cannot be found in their countries of origin.

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Russia is one of the top countries of origin for international adoptions in the United States.

CNN: Russia's lower house approves bill to ban U.S. adoption