Studying abroad, who go to study to get new knowledge--can not find in their own country. They will see the world and practice skills of life and will have a new experience. Finally they can put that knowledge to developing countries themselves.
But the students who study abroad will have problems about native language.--this is a new language that ordinary people in this world are not known. And students will feel homesick, or they will feel that they are alone. Sometimes they are difficult to adapt for new culture.