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The interplay between theory and observation is what advances astrophysics.
"I think people believe in heaven because they don’t like the idea of dying, because they want to carry on living and they don’t like the idea that other people will move into their house and put their things into the rubbish."
永远不要在安全问题上妥协 - 它是我们行业的基石。
凡是能冲上去、能散发出来的焰火,都是美丽的。