Five-segment trisection

That is to say, the article has written five paragraphs as a whole, except for the beginning and the end, which is the argument of the middle three paragraphs. The advantages are clear structure and clear organization.

Six-segment trisection

That is, relative to the "five-segment trisection", a transitional analysis segment is inserted in the second segment to achieve the effect of deepening the theme. The advantages are: avoiding falling into the rigidity caused by unclear argument, and conforming to the current mainstream standards.

mix

Better use six paragraphs. Except for the beginning and end paragraphs, two paragraphs in the middle four paragraphs are chosen as the key logic of the article, and the rest can be arranged freely. Advantages: flexible and easy to use, reducing the difficulty of structure determination and content synthesis.