Екатерина Графская (Редактор отдела «Наука и техника»)
經歷了接近半年時間的監禁，對關恆來說，這也加深了他對自由的感受。關恆說，過去在中國的時候，「我只是覺得被關到監獄、失去去自由其實是一個非常可怕的事情，但是具體有多可怕，我感受不到，我也不能完全想象到。」直到第一次真切地感受到失去人身自由之後，他才更意識到自由的重要性。，推荐阅读WPS下载最新地址获取更多信息
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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.