American cultural and social diversity 拉丁美洲多元的文化和社会
social category diversity 社会属性多元化
regional social economical diversity 经济社会地域分异
A huge population and regional differences created a rich social diversity.
巨大的人口基数和地区差异，造就了社会丰富的复杂性。
Ethnically and economically balanced bilingual classrooms are found to be helpful for kids to get used to social and cultural diversity.
研究发现，在（学生）种族比例和（家庭）经济水平趋于平衡的双语课堂有助于孩子们适应社会和文化的多样性。
"Say, you know, this is the best student I've ever had," says Kuheli Dutt, a social scientist and diversity officer at Columbia University's Lamont campus.
“比方说，你知道的，这是我曾经教过的最优秀的学生。”哥伦比亚大学拉蒙特校区的社会科学家、多元性官员库亥里·杜特说道。
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