At first, consumers reached the Internet through a call over a telephone line to an internet-service provider.
起先，消费者通过电话线路向一个互联网服务提供商发送呼叫来上网。
You type a note or a letter on your screen and then you send it down the telephone line to another person for as little as it costs you to call your service provider.
在屏幕上输入一张便条或一封信，然后通过电话线把它传给另一个人，这样就能将通讯费用减到最低程度。
They may claim to be from your Internet service provider in the subject line or have a similar address to that company's name.
他们可说是从你的互联网服务供应商在网上或类似的主题报告，该公司的名字。
They may claim to be from your Internet service provider in the subject line or have a similar address to that company's name.
他们可说是从你的互联网服务供应商在网上或类似的主题报告，该公司的名字。
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