Many of today's m-commerce services use the short messaging system, which allows up to 160 characters to be sent over a mobile phone.

目前，许多移动商务服务使用的是短信息传送系统，通过移动电话至多可传送160个字符。

youdao

Many of today's m-commerce services use the short messaging system, which allows up to 160 characters to be sent over a mobile phone.

目前，许多移动商务服务使用的是短信息传送系统，通过移动电话至多可传送160个字符。

youdao