After reading the full text, I can sort out the writing ideas of this article as follows: This article mainly tells the story of a young man named "Ye Fei" who pursued his dream in the city. Ye Fei grew up in a wealthy family with good living conditions and educational resources, but his heart longed to become a creator who could change society. In the city, he encountered many difficulties and setbacks, but he persevered and finally realized his dream through writing and continuous learning. This article uses a variety of expression techniques, including: 1. Narration technique: Through telling Ye Fei's story, this article makes the readers feel the setbacks and efforts he has experienced, showing the image of a young man who is constantly struggling. 2. Description: Through describing Ye Fei's family, campus and urban life, this article shows the rich and colorful urban life and people's pursuit of a better life. 3. Comparisons: Through comparing Ye Fei's family and professional experience, this article shows that a person needs to overcome difficulties and challenges in the process of pursuing his dream, and also needs to make reasonable choices according to his own conditions and actual situation. 4. Metaphorical techniques: This article uses the metaphor of "writing is a necessity of life like eating" and "dreams are like a butterfly. If you want to catch it, you must go through some effort" to let the readers feel the value of dreams and the effort needed to realize them. To sum up, this article presents the image of a young man who is constantly striving and pursuing his dreams through various means of expression. Through his story, it inspires readers to pursue their dreams and overcome difficulties and challenges.