光线不断变化，每分钟都在改变事物的氛围和美感。
The light constantly changes, and that alters the atmosphere and beauty of things every minute.
"In mathematics, you don't understand things. You just get used to them."
How wonderful that we have met with a paradox. Now we have some hope of making progress.
Topological insulators are a prime example of how theoretical predictions can lead to experimental discoveries that reshape our understanding of the physical world.
法治要求法律是普遍的、公开的、前瞻的、清晰的和一致的。