They include electronic data interchange, electronic payment devices, electronic order system, E-mail, electronic notice system, network, fax and intelligence card, and so forth.

他们包括电子数据交换，电子支付手段，电子订货系统，电子邮件，电子公告系统，网络，传真和智能卡，等等。

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Consumers wanting to buy goods by mail order may be unable to pay by cheque because the seller will be unwilling to accept a payment that carries a levy of nearly 25%.

ECONOMIST: Borders and barriers