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量子世界与我们日常体验之间的界限并不像我们曾经认为的那样清晰。
The boundary between the quantum world and our everyday experience is not as sharp as we once thought.
一旦你着手要攻下维也纳,就把她拿下吧﹗
Peace is not free, it requires constant effort to maintain.
安全不仅仅是一项政策,它是一种从高层开始的文化。