有学者说，世界上原本没有废物可言，只要处理得当，所谓的垃圾就会为人所用，大放异彩。换句话就是：“垃圾是放错了地方的资源。”如今，在“镍都”金昌，众多企业运用新技术、新工艺变“废”为“宝”，点“石”成“金”。这一事实蕴含的哲理是（  ）

阅读下面短文，将文中划线句子译成中文。
　　Some kids in boarding school often like to talk with their roommates. ____ They won’t stop talking until someone comes to stop them. This is the reason why many of them are sleepy in class the next day. Lack of (缺乏) sleep is bad for their health. Growth hormones (生长激素) are very important if one is to grow taller. ____ The body makes the most hormones between 10 p.m. and 2 a.m. While you are asleep. ____ This means that if you don’t get to sleep at the time, you won’t grow taller.