The essence of strategic games is that participants' decisions are interdependent. This interaction is manifested in two ways: the first way is to happen sequentially, and the participants take turns to move; the second way is to happen simultaneously, and the participants simultaneously However, everyone must understand that there are other active players in this game. Everyone must put himself in the position of others to evaluate the results of this step. The following statements are consistent with this text:. ['The essence of strategic games lies in-group cooperation.', "Participants' mutual influence during the game.", 'The results of each step in the game directly affect the overall situation.', 'Consider yourself for others during the game.']