有这样一个故事:草原上有对狮子母子。有一天,小狮子问妈妈:“我总是听到很多动物说什么幸福,到底幸福是什么?它能不能吃?幸福在哪里?”狮子妈妈说:“幸福不是东西,而且也抓不着,更不能吃,它就在你的尾巴上。” There is such a story: There are pairs of lion and mother on the prairie. One day, a young lion asked her mother: “I always hear a lot of animals say happiness, in the end what is happiness? It can eat? Where is happiness? ” Lion mother said: “Happiness is not something, but also catch No, no more, it’s on your tail. ”