但是迷信行为不仅在人类社会可见，动物也有。
Yet superstitious behavior can be recognized in many animals, not just humans.
迷信可谓进化过程给人们带来的惊喜——相信某个特定行为可影响未来(实际并非如此)对有机系统并没有意义。
Superstition is an evolutionary surprise - it makes no sense for organisms to believe a specific action influences the future when it can't.
迷信行为也不是免费的——种种仪式和避讳都有成本。
Superstitions are not free - there are rituals and avoidances cost.
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