175-word version:
I had an opportunity to work at 공기업명 and learn the broad spectrum of fundamentals and the underlying infrastructure of the Korean economy as well as general principles of economics...

181-word version:
I had an opportunity to work and research at 공기업명 and learn the broad spectrum of fundamentals and the underlying infrastructure of the Korean economy as well as general principles of economics. As my grandfather, once a committee member of the organization, asked the current president for my internship, I was obliged to make a good impression...