Firstly, when students graduate university, some people choose to study abroad to learn the language of that country. Making it possible to use it effectively. And can be used to past time between classes.
Secondly, some students choose to study abroad because they want to use this motion to tourism as well. To seek new experiences and new friends from the tour as well.
However, whether these students are studying abroad for any reason, the main reason is their language strong enough.