句子运用部分否定结构，表达问题来源并非完全来自外界。
A pigeon kept moving from one nest to another. It felt that every new nest soon developed a strange unpleasant smell, making it hard to breathe, so it had to move again and again.
It shared its trouble with an experienced old pigeon. The old pigeon said: Moving so many times is useless, because the smell that bothers you does not come from the nest, but from yourself.
This story reminds us that when we feel out of place in a team or environment, The problem does not always come from the outside. It may come from within ourselves. Only by recognizing and reflecting on ourselves can we truly resolve our difficulties.
一只鸽子总是不断搬家。它觉得每次新窝住不久，就会出现一股难闻的气味，让它无法呼吸，只好一次次离开。
它把困扰告诉一只经验丰富的老鸽子。老鸽子说：你搬了这么多次家，其实没有用，因为那股让你不适的气味，并不是来自窝里，而是你自己身上的味道。
这个故事提醒我们，当在团队或环境中感到格格不入时，问题往往不一定来自外界，也可能来自自身。学会认清自己，反思自我，才能真正解决困扰。