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。

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.

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例如，他们必须确保他们制定的措施对每一个被研究的文化或少数民族群体都是有意义的。

For example, they must make sure they construct measures that are meaningful for each of the cultural or ethnic minority groups being studied.

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其他族群和少数民族在创建以民族为导向的金融机构时也采取了类似的做法。

Other ethnic and minority groups followed similar practices in founding ethnic-directed financial institutions.

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