What is the purpose of learning a foreign language? Is it practical, like better communication with foreigners, or a way to learn advanced technologies and ideas through a language other than our mother tongue? Is the time consumed worth it? These have been controversial issues for many years. 

https://user.guancha.cn/main/content?id=1758867    

BTW, Starting tomorrow I will take a tour in the island, on the Mainland as well, for nearly twenty days. I will also skip my posting for a while. See you later, guys.