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The ladder of causation has three rungs: seeing, doing, and imagining.
因果关系的阶梯有三个梯级:观察、行动和想象。
煤炭仍将是能源结构的一部分,但它必须更清洁、更负责任。
唯一不变的是变化,持续的变化,不可避免的变化,这是当今社会的主导因素。
He is born in a good hour who gets a good name.
The greatest thing you'll ever learn is just to love and be loved in return.