Someone or something that tells you what might be good or useful for a particular situation.
My friend is a great recommender of books; she always has the best suggestions.
제 친구는 책을 추천하는 능력이 뛰어나고, 항상 최고의 조언을 줍니다.
A computer program that helps you choose things you might like based on what you already like.
The movie recommender suggested a film I hadn't heard of, but I ended up loving it.
영화 추천기는 내가 들어본 적이 없는 영화를 추천했지만, 결국 그것을 매우 좋아하게 되었습니다.