AdS/CFT对应关系是对现实本质的深刻洞察，它弥合了量子力学和广义相对论之间的鸿沟。

The trade-off between bias and variance is a fundamental concept in machine learning.

Innovation is not just about creating something new; it's about improving what already exists.

花开时可以折取就要及时折取，不要等到花谢了只能折取空枝。