当下总是不稳定的地方，而过去是我们自以为知道身在何处的地方。
International politics is a brutal and unforgiving arena, where states constantly strive to maximize their power and security.
小说的艺术在于让读者忘记作家的存在。
The ocean is not just a resource; it's our responsibility to protect it for future generations.
Neither the life of an individual nor the history of a society can be understood without understanding both.
Topological insulators are a prime example of how theoretical predictions can lead to experimental discoveries that reshape our understanding of the physical world.
