Fur farmers released thousands of Americanmink in eastern Europe, and they spread throughout Europe.
皮毛经营者在东欧放养了数以千计的美洲鼬，这些美洲鼬迅速遍及欧洲。
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Like many introduced species, Americanmink can slash their way through the ecosystem, as they have no native predators, and their prey species haven't evolved to avoid them.