The character of cellphone is communications in time including voice message and data message.

手机的特点及优势就是在于及时通信，除语音外，数据的及时通信也是其特点及优势。

youdao

The character of cellphone is communications in time including voice message and data message.

手机的特点及优势就是在于及时通信，除语音外，数据的及时通信也是其特点及优势。

youdao