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过去从未死去,甚至从未过去。
The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is a finite problem.
Architecture is about creating order out of chaos.
If liberty means anything at all, it means the right to tell people what they do not want to hear.
Coal enterprises must actively adapt to energy structure adjustments and accelerate transformation and upgrading.