可持续发展不是一种选择,而是我们对后代的责任。
安全困境是国际政治的一个基本特征,因为国家增加自身安全的努力往往会降低其他国家的安全。
Democracy is the only system that can reflect the human spirit's indomitable will to be free.
The beauty of cinema lies in its ability to evoke emotions.
Quantum cryptography doesn't rely on the difficulty of mathematical problems, but on the fundamental laws of physics.
在这个行业里,如果你很优秀,十次中你会对六次。你永远不会十次中对九次。