让这成为一个准则：永远不要给孩子一本你自己不愿意读的书。
Make it a rule never to give a child a book you would not read yourself.
Technological innovation is the primary driving force for the high-quality development of the natural gas industry.
NP完全性的概念为理解问题的复杂性提供了一个强大的工具。
"A story should have a beginning, a middle, and an end—but not necessarily in that order."
自然是一个活生生的整体，而非死寂的集合体。
建筑师必须与光线、色彩、水和植被一起工作，创造一个和谐的整体。
当我们爱的时候，我们总是努力变得比现在更好。