Two other developments presaged the end of the era of turnpikes and started a transportation revolution that resulted in increased regional specialization and the growth of a national market economy.
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通常专业的翻译收费为一个单词20美分到40美分不等,按市场价,翻译这篇博文可能需要500美元。
Professional translators routinely charge between $0.20 and $0.40 per word - translating this blogposts into one other language would cost over $500 at market rates.