记得小时候大人给我讲过一个关于蜗牛的寓言——有一天,小蜗牛问他妈妈:“妈妈,为什么我们一生下来就要背这个又重又硬的壳呢?真是累死了人!”“因为我们的身体需要保护。”妈妈说。“毛虫姐姐也需要保护,为什么她们不用背这个又重又硬的壳呢?”“因为毛虫姐姐能变成蝴蝶,天空 I remember when I was young, an adult told me an allegory about snails - one day, the little snail asked his mother: “Mom, why do we have to carry this heavy and hard shell once we are born? It’s really exhausting!” Because our body needs protection,“ Mom said. ”Caterpillar sister also needs protection. Why don’t they have to carry this heavy and hard shell?“ ”Because caterpillar sister can become a butterfly, the sky