### English Composition: The Story of Sai Weng's Lost Horse

The story of Sai Weng's lost horse teaches us that misfortunes can bring unexpected blessings. When Sai Weng's horse ran away, everyone thought it was a disaster. However, the horse returned with a stronger companion, which benefited him greatly. The villagers realized that what seems bad may lead to good outcomes. This story reminds us to stay optimistic in difficult times, as challenges often bring hidden opportunities. Embracing the unknown can lead us to find fortune in adversity.

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### 翻译：

塞翁失马的故事告诉我们，厄运可能带来意想不到的祝福。当塞翁的马跑掉时，每个人都认为这是灾难。然而，这匹马后来带回了一匹更强壮的伴侣，这给了他很大的好处。村民们意识到，看似糟糕的事情可能会带来好的结果。这个故事提醒我们在困难时期保持乐观，因为挑战常常带来隐藏的机会。接受未知能让我们在逆境中找到财富。