That's because they can now use those distinctive black and white stripes to count a population, bar code style.
因为他们可以使用斑马身上独特的黑白条纹来统计斑马的数目，就像商品条形码一样。
That's because they can now use those distinctive black and white stripes to count a population, bar code style.
因为他们可以使用斑马身上独特的黑白条纹来统计斑马的数目，就像商品条形码一样。
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