Dogs act like toddlers when you need help - but cats just watch. Scientists compared 3 groups: pet dogs, cats, and human toddlers in an experiment where a human parent hides and pretends to look for an object. 75% of dogs and children helped. Cats only helped if it was in their personal interest.

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这个词在2025年被频繁提及,与宏观经济环境的讨论密不可分。年初,国家统计局在发布经济数据时,多次用“中国经济韧性强、潜力大、活力足”来总结态势。这个词也让普通个体感受到了共鸣,从而走进了日常语境。