We met. We understand. What is the relationship between acquaintances? What's the next sentence?

Goodbye, Jun Qing is a stranger. Contradiction refers to sentences with the same number of words and relative meanings in ancient poetry. We met. We understand. What is the relationship between acquaintances? It means that we met by chance, so why did we know each other before? Goodbye, Jun Qing is a stranger, which means that the next time I meet you, I may be a stranger, so why bother? The two poems have the same number of words, so why should the meaning be entangled? Why should we care about the past? So we met. We understand. What is the relationship between acquaintances? The next sentence is goodbye to strangers. Be sure to pay attention to the fluency and coherence of sentences to prevent rhyming, which leads to unsmooth word order.