布鲁金斯学院的伊莎贝尔·索希尔和荣？哈斯金解释到，家庭背景是难以克服的。

Family background is not insurmountable, explain Isabel Sawhill and Ron Haskins of the Brookings Institution.

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几种发展趋势的分析被用在最近由世界资源学会、布鲁金斯学会及圣达非学院共同承担的“ 2050计划”中。

Scenarios were used in the recent 2050 project un de rtaken by the world resources institute, the brookings institution, and the santa fe institute.

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