A special lecture is to teach a specific course of a major according to a specific topic. If it is a recruitment in human resource management, the topic may be "How to conduct a structured interview", and the interview work will be explained in detail.

Centralized teaching is similar to training, such as human resources manager training camp, which focuses on training important contents of human resources work in a short time, which may include performance appraisal, recruitment interview, salary and so on.