Some people believe that people in the world should invent one language for international communication. In my opinion if people invent a new language for international communicate, it will give more opportunities.
On the one hand, it has some negative affects like reduce curiosity for learning new languages. If people talk with others some language, they do not attempt to learn new things.Moreover, if people speak a language, some people will become to unemployment like translator or teachers who are teach foreign languages. In addition, it will cause to loss of culture and traditional things like celebrations or native languages and some people will against to this. Because some people prefer to speak their mother languages. Moreover, learning new language take much time than we think. For example, for learning Korean language take 6 or 7 months because of it has hard grammar and vocabulary. Moreover, if people speak a language, some people will become to unemployment like translator or teachers who are teach foreign languages.
Nevertheless, it has more positive sides. Firstly, it effects to international trade. Because if people talk one language during trade, they do not need to git even some translate apps as well as it leads to inexpensive things without cargo. Secondly, if everyone speaks a language, pupils do not need to learn other languages. In addition, they will learn science instead of foreign languages. Thirdly, it affects to tourism. Because, people do not hesitate for travelling to other countries, if they know their native languages and people may be become to extrovert.
To sum up, despite of it is negative sides like loss of traditional celebrities. It has more positive sides like education, tourism and trade.