While English is the Important language for many countries, and are used to communicate, but in some countries, does not have much importance, and use the national language of the country, only a single language, such Developed countries, as Korea .
I had the opportunity to travel the korea country in June. It was very difficult. To live the life that I feel like a mute. Using only sign language. I went in. A store or a popular attraction, with just 20% can only speak English and do not understand. If you go to the Korean .Obstacles is a language. Because Koreans can't speak English . There were only a few can speak. They spoke only Korean and Chinese
What surprised me most is that Korean people speak Chinese very well and fluently. Perhaps because most tourists are Chinese people over. European tourists.