This book depicts the protagonist Yang Zhi's emotional journey from her innocent high school years to her mature graduate studies, as well as her complex emotional entanglement with Mu Liu. During high school, Yang Zhi made a group of close friends, including Mu Liu and Jiang Zhu. They helped each other academically, especially Mu Liu, who lived in the same neighborhood as Yang Zhi and the two often went out together. However, the end of high school marked a turning point in their lives; class changes and relocation led to a gradual decrease in their contact. Years passed, and Yang Zhi pursued her graduate studies in Paris, where she fell in love with Cheng Wei. When she visited Cheng Wei in Boston, she unexpectedly ran into Mu Liu and discovered that he was Cheng Wei's roommate. Cheng Wei's selfishness and disrespect plunged Yang Zhi's love into crisis, ultimately leading to their breakup. Meanwhile, Mu Liu, with his unwavering love for Yang Zhi, began to actively pursue her.
本书描绘了主人公杨枝从青涩的高中时代到成熟的研究生阶段的心路历程，以及与慕留之间错综复杂的情感纠葛。杨枝在高中时期结识了包括慕留和江珠在内的一群挚友，他们在学业上互帮互助，特别是慕留，与杨枝同住一个小区，两人时常结伴同行。然而，高一的结束标志着他们生活的转变，分班与搬迁使得彼此的联系日渐稀少。岁月流转，杨枝在巴黎攻读研究生，并与程唯相恋。当她前往波士顿探访程唯时，意外与慕留重逢，并发现他竟是程唯的室友。程唯的自私和不尊重让杨枝的爱情陷入困境，最终导致两人分手。而慕留，凭借对杨枝始终如一的爱慕，开始积极争取
本书描绘了主人公杨枝从青涩的高中时代到成熟的研究生阶段的心路历程，以及与慕留之间错综复杂的情感纠葛。杨枝在高中时期结识了包括慕留和江珠在内的一群挚友，他们在学业上互帮互助，特别是慕留，与杨枝同住一个小区，两人时常结伴同行。然而，高一的结束标志着他们生活的转变，分班与搬迁使得彼此的联系日渐稀少。岁月流转，杨枝在巴黎攻读研究生，并与程唯相恋。当她前往波士顿探访程唯时，意外与慕留重逢，并发现他竟是程唯的室友。程唯的自私和不尊重让杨枝的爱情陷入困境，最终导致两人分手。而慕留，凭借对杨枝始终如一的爱慕，开始积极争取
