... 氨基酸衍生化：Aminoacyl derivatization 岸线开发利用：bank lines developing 安全成本分类：classified safety cost ...
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It was largely the discovery of Martin Ravallion, a researcher at the bank, and two co-authors, who noticed that the national poverty lines of half-a-dozen developing countries clustered around that amount.
ECONOMIST: Has ��a dollar a day�� had its day?
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