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我们联邦中每个家庭的感激之情都献给那些为我们的国家服务而战斗和牺牲的勇敢的人们。
True leadership is about empowering others to reach their full potential.
The language of mathematics is universal, and it is through this language that we can communicate the most profound truths of the universe.
You can't just sit there and wait for people to give you that golden dream. You've got to get out there and make it happen for yourself.
Natural experiments are a powerful tool for understanding causal relationships in the real world.