Vivien Thomas, who had no formal medical training, in struggling against overwhelming odds, he became a cardiac surgeon and eventually to receive an honorary doctorate from Johns Hopkins University.
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约翰霍普金斯大学经济学家费拉罗说,事实上,扶贫和环境保护这两个目标常常被视为是相互冲突的。
In fact, poverty alleviation and environmental protection are often viewed as conflicting goals, says Paul Ferraro, an economist at Johns Hopkins University.