引荐 (yǐn jiàn): sb を推薦する

The company needs an experienced marketing director, so my boss asked me to recommend a former colleague who performed outstandingly at my previous company to him, hoping both parties can meet and talk as soon as possible.

My university professor recommended me to the director of a research institute, and after several rounds of interviews, I successfully got the research assistant position.

At last week's industry exchange meeting, Manager Wang specially recommended a reliable supplier to our procurement team, helping us solve the problem of raw material shortage.

If you are interested in theater, I can recommend you to the head of the troupe; he is looking for passionate young actors.