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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.
变化是唯一不变的,而适应能力是蓬勃发展的关键。
We are all searching for something, but we don't always know what it is.
Safety isn't just a policy; it's a culture we must live every day.