"We fully retract this paper from the published record," Lancet editors said in a statement Tuesday.

“我们从发表记录中完全撤消了该论文”，《柳叶刀》编辑周二在一份声明中说。

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Therefore, this paper from the perspective of community education concerned on the problem of continued education of the urban vulnerable groups.

因此，本文从社区教育的角度研究关注城市弱势群体继续接受教育问题。

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Much of this paper money was used by business speculators to buy land from the government.

VOA: special.2009.01.01

This process produced paper from cloth, straw, wood or the bark of trees.

VOA: special.2009.01.26

This process produced paper from cloth, straw,wood or the bark of trees.

VOA: special.2009.07.06

In it, Dana points to this paper from the National Center on Education and the Economy.

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The analysis in this paper assumes that the gains from productivity growth will be more broadly shared in the future, as they have been in the past.

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But the message from this paper is simple: It sounds a whole lot easier than it is.

FORBES: Do The Math: Why Trimming Tax Breaks Won't Allow U.S. To Easily Cut Rates