现代大商店中是如何进行商业交易的？

How are business transactions done in big modern stores?

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这会使他们自由地跨越州界进行商业交易。

This would free them to transact business across state lines.

《柯林斯英汉双解大词典》

通过因特网，你可以进行商业交易，你可以交流沟通，你可以做所有的事情。

You could do commerce; you could do communication; you could do all these things over the Web.

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