The internal rate of return represents the true interest rate earned in an investment over its economic life.

内含报酬率是项目在其寿命周期内所实现的真实收益率。

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Without the earned income tax credit, the poverty rate under the revised formula would jump from 15.7 percent to 17.7 percent.

如果没有所得收入税收减免，依据修订准则来得出的贫困比率会从15.7%升至17.7%。

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Before you cough up your hard earned cash for the most recent weight loss miracle medication consider the general population's success rate.

在你准备把辛辛苦苦赚来的钱拿去购买那些最新的神奇减肥药物之前，最好先想想人民大众中减肥的成功率吧。

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For example, the interest rate earned by the notional accounts is set by the growth of average wages, not that of the total pay bill, which means that it is unaffected by fertility-induced falls in employment.

ECONOMIST: State pension systems that mimic private accounts

The 0.9% surtax brings the Medicare rate on earned income to the same 3.8% as on unearned income.

FORBES: IRS Should Fix Net Investment Tax Proposed Regulations

This was set at 18% in 2007, far below a top tax rate on earned income of 43%.

ECONOMIST: Spain's growing budget deficit