Business transactions are most often conducted by phone calls and faxes.

商业交易通常通过打电话和发传真完成。

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But in reality faxes are still the most efficient way to quickly deliver a signed business document.

但实际上，传真仍然是快速发送商业文件的最有效方式。

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Through spreadsheets and faxes to traditional ways of doing business are now unable to deal with this complex situation.

通过电子数据表与传真来开展业务的传统方式现已无法应对这种复杂局面。

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