青云翻译

Phone is mainly used for? It is used for better communication between people.

Phone is mainly to do with it? It can be used to better communication between people.

What is the telephone mainly does to use? It uses in the people mutually between a better exchange.

Telephone is mainly What can I do with them? It had been used for better communication among people.

Phone is mainly to do with it? It can be used to better communication between people.