When we are finishing the education we have to find any proper job. Within last 10 years, when we became member of EU, many of young individuals move out to another countries, to labor and dwell in there.
Learning foreign languages for many people is just their hobby. Being able to speak with foreign people is for them in most cases a great experience. It is indicated by the fact that getting to know a language of another country may help us appropriately understand the mentality of people from another culture. Hence, we need to in general remember for example in order to learn more demanding languages, it is recommended by people with wide experience in this topic, to invest in for example Polish lessons.