Total score formula: first put forward your own point of view, that is, argument, then analyze and demonstrate, and finally draw a conclusion. Parallel type: first put forward the general argument, and then discuss the general argument in parallel from several aspects, that is, the discussion part consists of several parallel ones.
Progressive: according to the internal relationship of objective things, from this to that, from the surface to the inside, demonstrate the argument layer by layer. Pros and cons: after the argument is put forward, it is demonstrated from both sides. Any argument can be discussed from both sides. Contrast: To demonstrate an argument by comparison. Contrast has positive and negative contrast, past and present contrast.