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发现恒星围绕银河系中心的超大质量黑洞运行是天体物理学的一个转折点。
Optimism is a learned skill. Once you learn it, you can improve your life in every way.
A proof is a device for convincing someone else that a mathematical statement is true.
"The beauty of cinema lies in its ability to tell stories that resonate with the human experience, and as an actress, my job is to bring those stories to life."
建立在规则上的自由,才是真正的自由!