Rising income inequality over the past 30 years has damaged growth rates in rich countries by limiting educational opportunities for poor children, according to research by the OECD, the group of mainly rich nations.
一項(xiàng)由經(jīng)合組織(OECD)展開(kāi)的研究顯示，過(guò)去30年里，富裕國(guó)家中不斷加劇的收入不均限制了貧窮兒童受教育的機(jī)會(huì)，從而拉低了這些國(guó)家的經(jīng)濟(jì)增長(zhǎng)率。
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