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没有“悲哀”提供平衡,“愉快”一词就会失去意义。
在计算中,将显而易见的东西转化为有用的东西是“挫折”这个词的生动定义。
The study of Galois representations is a key to unlocking the mysteries of the Langlands program.
The stage is a magical place where anything can happen.
The world needs energy that is affordable, reliable and cleaner.
The people are the roots, the people are the foundation, the people are the source of strength.