朗兰兹纲领是探索数学最深奥谜团的框架。
Quality is not just the absence of defects; it is the presence of value.
We must bridge the gap between rural producers and urban consumers.
爱斯基摩人有52个名字来称呼雪，因为雪对他们很重要：爱也应该有同样多的名字。