The other unit is the US Dollar, as defined in ISO 4217, the international standard describing three-letter currency codes (" USD "for the US Dollar).

另一个单位是美元，如iso 4217所定义，该国际标准描述了由三个字母组成的货币代码(“USD”代表美元)。

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The OLPC's slogan is' produces 100 US dollar notebooks', but the initial cost has amounted to around 140 USD for each one.

OLPC电脑组织的口号是生产100美元的笔记本电脑，但是初期的成本达到了每台140美元左右。

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