1. Different ways: Meeting recommendation occurs in a meeting, which refers to recommending someone or something for commendation, recommendation, promotion, etc. In the meeting; Conversation, research and recommendation is to get to know someone or something through communication during conversation or research.

2. Different targets: the targets recommended by the meeting are the people or things involved in the exchange at the meeting, such as recommending someone to a certain position and commending someone for his outstanding performance; The recommended object of conversation and research is the people or things involved in the communication process, such as recommending someone to take part in a job and recommending the use of a product.