斑马的斑纹使这些动物能够躲避敌人
标准译文是：
Zebra's stripes enable them to avoid falling prey to predators.
原因解释比较详细的是：
Zebra’s stripes enable them to merge together in a herd,so predators find it difficult to focus on any one of them as a target.
如果楼主要求简单的译文,则是：
Zebra's stripes enable them to escape from their arch enemies.
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