That's a major shift since 1990, when 93 percent of the poor lived in low-income countries, Sumner said.

萨姆纳表示，自从1990年以来，情况发生了巨大的变化，当时全球有93%的贫困人口都生活在低收入国家。

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That's a major shift since 1990, when 93 percent of the poor lived in low-income countries, Sumner said.

萨姆纳表示，自从1990年以来，情况发生了巨大的变化，当时全球有93%的贫困人口都生活在低收入国家。

youdao