According to the specific content of the article "Sinology Should Work Hard", the central argument discussed in this paper is: Sinology should work hard, draw out the central argument with vivid metaphors, and cite proverbs to prove the sub-arguments.

There are six ways to structure the article, namely, total score, juxtaposition, narration, contrast, progression and vertical and horizontal. The article consists of three elements: central meaning, material and structure. The central meaning is the soul of the article, to be clear and correct. The material should be flesh and blood, which can reflect the center centrally; Structure is the skeleton of the article, the means of planning the layout of the article, and the method of using materials to reflect the central idea.