在这个世界上,有些东西总在变化,有些东西会永远是老样子。假如你仔细观察,你就会发现,这,也许是关于世界和生存的一个秘密。仰望天空。天空的颜色总在变化,天空中游荡的云总在变化,天空却永远是老样子。天空的颜色是天空的情绪,有时候明朗,有时候阴沉,有时候风和日丽,有时候暴风骤雨。但天空一直挂在我们头顶上,不知道多少万年了, In this world, some things are always changing, some things will always be the same. If you look closely, you will find that this may be a secret about the world and survival. look up to the sky. The color of the sky is always changing, the wandering clouds in the sky are always changing, but the sky is always the same. The color of the sky is the mood of the sky, sometimes clear, sometimes gloomy, sometimes beautiful, sometimes violent. But the sky has been linked to our head, do not know how many years,