Some nations use English as their official language, performing the function of administration; in others it is used as an international language for business, commerce and industry.

一些国家用英语作为官方语言，并用它履行行政职能；而在其他国家，它被用作商业、贸易和工业的国际通用语言。

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It's too expensive to use widely in industry or commerce, except for tiny amounts that go into people's mouths, wrap around their fingers, or hang from their ears.

因为过于昂贵，除了极少量的用于人们的口腔，或包裹在手指上抑或悬挂在耳根，黄金无法在工业或商业领域得到广泛使用。

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That's one reason why you don't use your primary e-mail account for most online commerce and instead let companies store a less valuable address in their databases.

这就是为什么你不使用私人邮件地址用于大部分的网上电子商务，而是给个次要的邮件地址让这些公司保存到数据库去。

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Rather, the first to use it in commerce is the owner.

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Desire is a word we rarely use in connection with commerce.

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"Vica versa it's really helped as well, " he says, explaining that he is currently taking a class in e-commerce in which students usually have to use invented sample business data.

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