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每种心理状态都是大脑某种物理状态的功能。
Every mental state is a function of some physical state of the brain.
能源的未来在于我们适应和创新的能力。
It is not the benevolence of the employer that determines the wages of labor, but the competition among employers.
Leadership in forestry means having the courage to make decisions that will outlast your tenure.