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。

youdao

Send information to a colleague via E-mail directly from the application.

从应用程序中直接通过电子邮件向同事发送信息。

youdao

Most arrive via E-mail, but we also receive submissions by postal mail and fax.

虽然大多通过电子邮件，但是我们也通过信箱及传真接收意见。

youdao

All communication with Earth will be via e-mail and will have as much as a 40-minute delay, like on a real Mars mission.

VOA: standard.2010.06.02

Based on the incredibly compact Pico-ITX form factor, measuring 10 cm x 7.2 cm, the VIA EPIA-P910 Pico-ITX combines a 1.0GHz VIA QuadCore E-Series processor and the latest VIA VX11H MSP to offer superior computing performance for ultra compact systems.

ENGADGET: VIA EPIA-P910 stuffs 3D display support, quad-core into a Pico-ITX size

The specification for the e-counting system was produced via the e-counting project board and agreed to and signed by returning officers.

BBC: NEWS | UK | Scotland | Scotland Office ballot response

With an increase in e-mail reading via the phone comes an increase in reading e-mails around the clock (and likely an increase in the number of e-mails sent and received, as well).

FORBES: Using your phone for more than just calls and texts?