Speech logic: train the speech logic to be rigorous and step by step, so that the audience can indulge in it after listening.
Speech gas field: train the speaker to have the spirit of a king, be calm and not afraid of any occasion.
Speech emotion: training speech emotion activities freely, one second thunder, the next second tears.
Impromptu eloquence: train the speaker to make a speech at the beginning. The eloquence of the speech is subconsciously exerted, and there is no need to prepare the speech in advance.
Speech control: train the speaker to interact effectively, improvise and control the audience.