网友回答：
human beings are advanced animals in the world. some animals are very kind. for example ， it will shake. it will tail to you. so if you are kind to others， you should be kind to answer them. that is you give small kindness to others. maybe it seems to you
温馨提醒：随时光变迁，文中所陈述观点；准确性、难免有所变动，因此文中观点仅供参考。
