People can use the keyboard to talk to each other through emails or instant messengers instead of writing paper letters.

人们可以敲击键盘通过电子邮件或即时通讯工具跟彼此交流，不用再写纸质信件了。

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It had a movable carriage, a lever for turning paper from line to line, and a keyboard on which the letters were arranged in alphabetical order.

它有一个可移动托架，有一个能把纸从一行转到另一行的杠杆，还有一个按字母顺序排列的键盘。

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According to Van der Meer, plenty of senses are activated by pressing a pen on paper, seeing the letters written and hearing the sound made while writing.

根据范德梅尔的说法，当你把笔按在纸上，看到写出来的字母，以及听到写字时发出的声音时，很多感觉都会被激活。

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Once they find the name, many rub a pencil on paper over the letters to copy it.

VOA: special.2009.05.25

Most e-mailers and text-messagers do not consult etiquette coaches, though, and with the demise of words-on-paper letters, the future of "Dear" appears dire.

CNN: Is 'Dear' dead?

Email has decreased the mailing of paper letters, but online purchases have increased package shipping, forcing the Postal Service to adjust to customers' new habits.

WSJ: Goodbye Saturday mail? Postal Service plans cuts

That is a question addressed by Isabelle Dean and Michael Siva-Jothy of Sheffield University, in Britain, in a paper in Biology Letters.

ECONOMIST: Body hair