材料:时下,一些青年人之所以变得越来越不愿吃苦,挥霍浪费,四肢懒惰,学习缺乏毅力、生活缺乏意志,心理十分脆弱,是因为他们远离劳动,对“劳动”二字他们越来越陌生。他们却不懂得:人生因劳动而精彩,世界因劳动而美丽,劳动是美好生活的源泉。(1)“ 世界因劳动而美丽”,对此你是怎样理解的?________________________________________________________________________________________________________________________________________________________________(2)你知道有哪些?请你列举两例。________________________________________________________________________________________________________________________________________________________________(3)请你对材料中“远离劳动的青年”提几句忠告。________________________________________________________________________________________________________________________________________________________________