The Sino-Tibetan language family has over 400 languages, and is the second largest family next to the Indo-European. It's early languages were Sinitic (Chinese), Tibitec, Karnic, Bodo-Garo, Kuki-Chin, Meitei, Tamangic, Bai, Jingpho-Luish, and Lolo-Burmese, but has 400+ languages/major dialects being used modernly.
The Chinese language has remained very constant.<span />
Answer:
sorry the language is not understood able u can come to meet I'll say bsx-ouhs-gsk
Desu ne is something you want to tell them that you felt right or after the question you ask (with someone Same age, really friendly with ỏ ưith the person is younger than you)
And Desu ka? Is the word like "right?" Is the Question too. Usually they use to the person you not really friend or the person older than you (formal)