Animal communication is caused by local stimulation at that time, is an emotional response to a specific situation, can only convey a certain message, neither to look back on what happened in the past, nor to imagine the future. Bees find honey sources, return to the nest immediately to make the necessary dance moves, it never for yesterday's discovery to dance, nor guess the future of the discovery. And human language has the righteousness, not limited by time and place, can express the past, but also the future things. Only human beings can speak ancient and modern, expressing profound philosophy. ...
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