2. The relationship between the trainer and the direct supervisor: if it is in daily work, it is of course the relationship between the superior and the subordinate, and if it is in the training process, it is the relationship between the trainer and the trainees.

3. Generally speaking, the supervisor is responsible for organizing and serving the training work, such as providing resources such as venues and equipment needed for training; Trainers are responsible for the implementation of specific training contents. Among them, they should make some necessary discussions on the training content in order to achieve the expected goals.