1. When writing, first describe it from the side, and then lead to the theme, so as to make what you want to express stand out clearly.
2. It means setting it off to make it stand out: blue sky ~ white clouds.
Rendering:
1. A form of literary and artistic creation. Highlight the description, description and comparison of text objects.
2. refers to the extravagance and exaggeration of things. Rendering belongs to frontal description and contrast belongs to profile description, which is their most essential difference. Second, it depends on whether the support and the subject belong to each other. Rendering and contrast express the center through specific descriptions. If the concrete description in the rendering foil is in front of the bracket, then the center to be expressed is the subject. In rendering and contrast, the relationship between the bracket and the subject is different.