noun
B2
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.
我的朋友是推荐书籍的高手；她总是有最好的建议。
B2
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.
电影推荐器推荐了一部我没听说过的电影，但最后我爱上了它。
translation
推荐者, 推荐系统