It was not until sixty years ago that a method of extracting aluminum ore was found which could lead to a cheap large-scaLe process.

直到六十年前人们才发现一种从铝矿石中提取铝的方法，从而使低成本、大规模冶炼铝成为可能。

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Could Apple simply relocate its manufacturing to another country with a large pool of cheap labor, such as Brazil or India?

苹果可以简单地将产品制造搬迁到拥有大量廉价劳动力的国家，如巴西和印度？

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To meet that need, utilities buy consistent always-on power from the large, cheap coal and nuclear power plants that are the backbone of the electric grid.

为了满足这一需求，公用事业单位购买稳定可用的电能总是会选择大规模而廉价的煤电厂和核电厂，它们才是电网的支柱。

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As you can see, although the scatter plot is all over the place, the trend is that when large is relatively cheap, large out performs and when small is cheap it outperforms.

FORBES: When large cap is relatively cheap it will outperform small cap

Pritzker started the family's stash in the 1930s and 1940s, buying businesses and real estate on the cheap with large quantities of debt supplied by First National of Chicago.

FORBES: Pritzker vs Pritzker

One town official said that, although drinking alcohol is illegal in Bangladesh, people often make cheap brews containing large amounts of methylated spirit.

BBC: Illegal alcohol deaths