Youth is liken an ephemeral but beautiful dream. When you wake up to it, it has disappeared into the air. All rivers run east into the sea, never to return. Flowers can bloom next spring, but a person has only one youth. May you cherish your youth whe是什么意思_Youth is liken an ephemeral but beautiful dream. When you wake up to it, it has disappeared into the air. All rivers run east into the sea, never to return. Flowers can bloom next spring, but a person has only one youth. May you cherish your youth whe在线翻译_英语_读音_用法_例句