The other person receives a text message with a code to take to the local M-Pesa agent to get the money.

VOA: special.2009.11.02

If you have some plain text, some message that you want to send, well, you can encrypt it or you can scramble it using a key, a secret key, which might be a physical machine like the Enigma 13 or it might be a number like 13.

如果你有没有加密的文本，你想要寄送的一些消息,你就可以加密它,或者你可以用一个密钥使其变得混乱，那就像一个英格玛的物理装置,或者他就是一个数字。

哈佛公开课 - 计算机科学课程节选

and it's much faster for me to get a text message from you.

要是你能用短信发给我的话，就快多了。

Is there 实战 - SpeakingMax英语口语达人

Walter Curioso of the University of Washington describes a program in Peru where AIDS patients get a text message reminding them to take their medicine.

VOA: standard.2010.02.24