从概念上讲，电子商务与众所周知的商业服务并无不同，后者的服务包括像电话银行、“邮购”目录，或通过传真向供应商发送采购订单等。
Conceptually, e-commerce does not differ from well-known commercial offerings such as banking by phone, "mail order" catalogs, or sending a purchase order to supplier via fax.
前三位数字表示您使用的是哪家移动电话服务供应商。
The first three digits tell you which mobile phone service provider you are using.
但结果却是除了那些想向他推销影印机和电话系统的供应商外，没一个人给他打电话。
The result was not a single phone call, unless you count the ones from vendors trying to sell him photocopiers and phone systems.
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