This is currently the most efficient way to transmit certain types of data like electronic mail.

这是目前传输电子邮件等某类数据最有效的方法。

High-speed electronic communications media, such as electronic mail an television, tend to prevent meaningful and thoughtful communication.

高速的电子通讯媒介，如电子邮件和电视，往往会妨碍有意义和有思想的交流。

Electronic mail is just instantaneous mail.

电子邮件就是即时邮件。

File transfer and electronic mail work at this layer.

文件传输和电子邮件工作在这一层。

Now, there are no electrons so there can be no electronic mail.

现在，它没有电子，所以就不会有电子邮件了。