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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。
The transition from chaos to order is the essence of perception.
I'm not going to compare myself to anybody. I'm going to do the best I can do. I'm going to work as hard as I can work. And I'm going to be the best that I can be.