中国合伙人中，苏梅与成东青之间的分手是令人意外的事件。两个人曾经是如此相爱，但终究走向了分道扬镳。那么，为什么他们会分手呢？

首先，分歧和压力是导致他们分手的重要原因之一。在电影中，我们可以看到苏梅对于事业的追求十分坚定，而成东青则更加注重生活的平衡和家庭的安稳。这种不同的价值观和目标使他们在面对抉择时产生了冲突。例如，苏梅决定去美国发展事业，而成东青则希望她留在中国陪伴自己。双方的分歧逐渐加深，最终导致了他们的分手。

Secondly, lack of communication also played a role in their breakup. In the movie, we can see that both Su Mei and Cheng Dongqing had their own desires and aspirations, but they failed to effectively communicate these to each other. They often made assumptions about what the other person wanted or needed, instead of having open and honest conversations. This lack of communication created misunderstandings and resentment, ultimately driving them apart.

第三，时间和距离也是他们分手的原因之一。当苏梅决定去美国时，她意识到这会对他们的关系带来很大的影响。长时间的分离和异地的生活让他们感到孤独和无助。虽然他们曾经相爱，但随着时间的推移，他们逐渐远离了彼此。这种距离感最终导致了他们的分手。

最后，成长和变化也是他们分手的重要原因之一。在这段感情中，苏梅和成东青都经历了巨大的变化和成长。他们开始时是年轻而单纯的人，但随着时间的推移，他们的目标、态度和人生观都发生了变化。这种变化使得他们渐行渐远，无法再像以前那样理解和支持彼此。他们逐渐发现彼此不再适合对方，从而做出了分手的决定。

In conclusion, the breakup between Su Mei and Cheng Dongqing in the movie "中国合伙人" was a result of their differences in values and goals, lack of communication, time and distance, as well as personal growth and change. It serves as a reminder that relationships require constant effort and understanding to sustain, and sometimes, despite the love that once existed, paths may diverge and lead to a painful separation.

总结起来，《中国合伙人》中苏梅和成东青的分手是由于价值观和目标的不同、缺乏沟通、时间与距离以及个人成长和变化所导致的。这给我们提醒，感情需要不断努力和理解来维持，有时即使曾经有爱存在，道路也可能分岔并导致痛苦的分手。

Translation:

In the movie "中国合伙人," the breakup between Su Mei and Cheng Dongqing was an unexpected event. They were once deeply in love but eventually went their separate ways. So, why did they break up?

首先，分歧和压力是导致他们分手的重要原因之一。In the movie, we can see that Su Mei was determined to pursue her career, while Cheng Dongqing focused more on balancing life and having a stable family. These different values and goals caused conflicts when they faced important decisions. For example, Su Mei decided to go to America for her career, while Cheng Dongqing wanted her to stay in China with him. Their differences deepened, leading to their breakup.

Secondly, lack of communication also played a role in their breakup. In the movie, we can see that both Su Mei and Cheng Dongqing had their own desires and aspirations, but they failed to effectively communicate these to each other. They often made assumptions about what the other person wanted or needed, instead of having open and honest conversations. This lack of communication created misunderstandings and resentment, ultimately driving them apart.

Third, time and distance were also factors in their breakup. When Su Mei decided to go to America, she realized that it would have a significant impact on their relationship. Long periods of separation and living in different countries made them feel lonely and helpless. Although they were once in love, as time went by, they gradually grew apart. This distance eventually led to their breakup.

Lastly, growth and change were also significant factors in their breakup. In this relationship, both Su Mei and Cheng Dongqing experienced significant growth and change. They started off as young and naive individuals, but over time, their goals, attitudes, and views on life changed. These changes made it difficult for them to understand and support each other as they once did. They gradually realized that they were no longer suitable for each other, leading to the decision to break up.

In conclusion, the breakup between Su Mei and Cheng Dongqing in the movie "中国合伙人" was a result of their differences in values and goals, lack of communication, time and distance, as well as personal growth and change. It serves as a reminder that relationships require constant effort and understanding to sustain, and sometimes, despite the love that once existed, paths may diverge and lead to a painful separation.