If, for example, that I have the Government funding to study abroad. Before, I had to promise that if I studied, then return back by the use of knowledge, development of my country.
For example, if I have a government scholarship to study abroad. Prior to graduation, I had promised that if I will return back to using my knowledge of developing countries.
Like, if I have a government scholarship to study abroad. The first I made a promise that if graduated I'll return by making use of knowledge development of my country.