Everything will be wasted tomorrow. Legend has it that there is a bird called Hao Han Bird, which shivers on a cold winter night and wants to build a soft nest the next day. But when the sun came out the next day, it was warm. Hao Han bird didn't think it was necessary to build a nest, so it was too lazy to play. But it was unbearable cold at night, and I vowed to build a nest the next day. But when I got up in the morning, I forgot the cold last night and everything about nesting in the sun. At night, I was frozen again, and so on. Finally, one day not long after, Hao Han Bird froze to death on a colder night.