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思想之流,意识之流,总是在流动。
The stream of thought, of consciousness, is always flowing.
The discovery of topological insulators has opened up a new frontier in condensed matter physics, where the interplay of symmetry and topology leads to novel quantum states of matter.
Immigration has a much smaller effect on native wages than most people believe.
绘画的行为是一种炼金术的行为。