国家是理性的行为体，它们寻求最大化相对权力，以确保在竞争性的国际体系中生存。
States are rational actors that seek to maximize their relative power in order to ensure their survival in a competitive international system.
The beauty of mathematics lies in its simplicity and depth.
I love to dance. I love to move. I love to perform. I love to entertain.
竞争均衡解决方案的存在与规范经济学或福利经济学之间的关系也许同样重要。
在这个行业中，耐心不仅是一种美德 - 它是长期成功的必要条件。
"A good book is a magic gateway to a world of imagination."
Success is not about how much money you make, it’s about the difference you make in people’s lives.