This is often called a blended rate model, where the cost of resources is blended based on resource costs in different countries.

这常被称为混合费率模型，在该模型中，会根据不同国家的资源成本，将资源成本混合计算。

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The reasoning is usually based on a discounted-cashflow model; a lower bond yield means a lower discount rate and thus a higher present value for shares.

通常的理由是基于一个折现现金流量模型；较低的债券收益率意味着降低贴现率，从而提高股票的现值。

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It's also somewhat depressing, considering the grim fate the model predicts for the animals by 2080, based on the current rate of greenhouse-gas emissions.

想到依据目前温室气体排放，模型预言了2080年这些动物的可怕命运，这个事实也有点令人沮丧。

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The traditional economic model in Asia is based on massive domestic savings rates and an even greater investment rate--30% to 40% of GDP.

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The Zweig-based model also likes that Ares has been growing revenues at a 68.6% rate over the long term, and that its shares sell for just 6.0 times trailing 12-month earnings.

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