Sports, medicine, education... seems kind of random, don't you think?
体育，医药，教育…好像有点儿杂乱，你不这么看吗？
In addition, the fluttering of butterflies seems not a random, erratic wandering, but a kind of adaptive control flying which is beneficial for enhancing lift.
另外，蝴蝶看似杂乱无章的运动实际上是一种自适应控制的结果，有助于提高升力。
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