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.

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。

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Customers will insist on the capability to search, text, E-mail, schedule, collaborate, and purchase just by talking to their phones.

顾客会要求通过语音来启动搜索，短信，邮件，日程表，协作和购买等服务。

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PG&E had previously signed a power purchase agreement with BrightSource in April 2008 for 500 megawatts with an option to buy another 400 megawatts.

PG&E与BrightSource曾在2008年4月签订了500兆瓦的电力购买协议，并拥有400兆瓦的优先购买权。

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So I worry about the loss of brick-and-mortar bookstores, even as I very consciously purchase e-books and read them on my phone or Kindle.

FORBES: A Farewell to Borders

With this purchase, E Ink will have the widest offerings of ePaper technologies, a larger set of products and a stronger patent portfolio.

ENGADGET: E Ink acquires SiPix, may dominate e-paper universe

As long as this continues to be an opportunistic purchase, e.g.

ENGADGET: Switched On: Fruit versus fowl