2. Introduce a contrast theme to attract readers' attention through a fascinating beginning.
3. Explain the advantages of long hair, list the advantages of long hair, and show these advantages with pictures.
4. Explain the advantages of short hair, explain the advantages of short hair, and present it through corresponding pictures and descriptions.
5. Comparative analysis: This part can make an in-depth comparative analysis of the advantages and disadvantages of long hair and short hair. It is compared from the aspects of nursing difficulty, suitability for occasions and suitability for face.