该句使用了 'not in ... but in ...' 的并列结构，通过否定前者来强调后者，清晰地突出了维持关系比开始关系更具挑战性这一核心观点。
"Mutual Support vs. Letting Go," edited by Kong Liping and Zhang Jun, selects three famous literary couples from the Republican era of China: Zhang Ailing and Hu Lancheng, Xu Beihong and Jiang Biwei, and Xiao Hong and Xiao Jun. The book delves into their complex emotional journeys, covering the full spectrum from sweet encounters to suspicion and betrayal, and from desperate attempts to hold on to decisive departures. Their stories are intricate and poignant, evoking both sorrow and deep reflection. Perhaps the true challenge lies not in falling in love, but in understanding and staying together. By re-examining these historical romantic paths through a modern lens, readers may gain fresh insights into their own views on love and marriage.
孔莉萍、张军编著的《相濡以沫不如相忘于江湖》精选了民国时期三对著名的文人伴侣：张爱玲与胡兰成、徐悲鸿与蒋碧微、萧红与萧军。书中深入讲述了他们之间错综复杂的情感历程，涵盖了从甜蜜相遇到猜忌背叛，从苦苦挽留到决绝离别的种种波折。他们的故事缠绵悱恻，令人扼腕叹息，同时也引发了深刻的思考：或许比起相爱，相知与相守才是更为艰难的课题。以现代人的视角重新审视这段历史情路，读者或许能对自身的爱情与婚姻关系产生全新的感悟。