问题描述：
英语翻译
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 .
countries of origin 这里不懂,好别扭.
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 .
countries of origin 这里不懂,好别扭.
问题解答：
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