The advantages of my language is to communicate with others. Part of me is that I also have knowledge of the language, to communicate with one another.
The advantage of my language is to communicate with others. The downside was that I still had my knowledge of the language at least make communication with other people is going to be difficult.
The advantages of my language is to communicate with others. The disadvantage is that I still have my little knowledge of language makes communication with one another as possible.