对于一个如此大且贫富差距大的国家，提供足够的医疗保障是巨大的挑战。科研能够有所帮助吗？
You have many challenges providing adequate health care in a country so large and diverse and with a growing gap between rich and poor. How can science help?
同样是几年中贫富差距不断拉大，导致经济大萧条甚至全球性经济危机，从中我们可以得出惊人的对比结果。
The similarities in the evolution of income inequality in the years leading up to the Depression and the global economic crisis make for one of the most striking parallels between the two episodes.
同样是几年中贫富差距不断拉大，导致经济大萧条甚至全球性经济危机，从中我们可以得出惊人的对比结果。
The similarities in the evolution of income inequality in the years leading up to the Depression and the global economic crisis make for one of the most striking parallels between the two episodes.
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