Why are some leaders reluctant to assume the role of "coach" in the management process? Why aren't many leaders willing to ask and teach others? On the one hand, the coaching staff takes a lot of time, and the leader's time is the most precious resource. Another reason is whether the coaching of subordinates can achieve the expected results, it is difficult to say. Because there is a lot of knowledge and methods that are 'only conscious and intelligible. ' At a deeper level, the role of "coach" requires leaders to have the qualities of a psychologist and an educator, which is also difficult for ordinary people. Have it. What is most suitable for the title of Wenyu in this paragraph is:. ['Inefficiency, over leadership?', 'Team awareness needs to be enhanced.', 'Staff training, how can we ignore it?', 'It is easy to be a leader, but difficult to be a "coach".']