使用国际统一语言的利弊（最好英文版）

Unified language is beneficial to increase our exchanges with each other to an increase in our human relations and the promotion of our emotional life,such as the development,that is,if the disadvantages of a unified nation,then it would not have the characteristics or is often said that However,it features a unified language,or be able to do more good than harm to the promotion of global peace and stability can be indirect ecological