年纪更大、经验更丰富的祖母更善于通过其他大象的叫声来判断它们是陌生人还是朋友。
Older, more experienced grandmothers were better at telling whether other elephants were strangers or friends just by their calls.
古代玛雅人也许经验更丰富，做得更好，但他们也一定会面临干旱和飓风引起谷物歉收的风险。
The ancient Maya were presumably more experienced and did better, but nevertheless they too must have faced risks of crop failures from droughts and hurricanes.
许多动物通过向它们经验更丰富的同伴学习而获得诸如捕猎、觅食或躲避天敌的一些技能。
Lots of animals learn from their more experienced peers to gain skills such as hunting, foraging or evading predators.
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