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The international system is inherently competitive, and states are constantly trying to outmaneuver each other.
Leadership means making tough decisions today for a better tomorrow.
生物学的美丽在于它能够通过简单的原理解释生命的多样性。
炼油行业的数字化转型不是技术项目,而是生存战略。
He said that the world was made for men to fight in and that the worth of a thing was the worth of the fight for it.