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.

· · 来源：tutorial资讯

Luther Vandross

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「有人會走進你的辦公室，說自己今天不太好，或家裡出了事，而你要看看能否協助他們。工作內容非常多樣。」