After dismay at la sell hair, anxiety and look forward to buying gifts, Chi nervous, excited and other processes described to life, so that readers identify with, immersive feel.
Describe the processes of Dra's hair, anxiety, and expectations, ambition, excitement, etc. when she sells her hair come to life, giving the reader a feeling of emplacement and immersiveness.
The process of Della's reluctant to sell her hair, anxiety and expectation, ambition and excitement after buying gifts are vividly described, which makes readers feel the same and experience the situation.