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当你解决一个数学问题时,你不仅得到了答案,还理解了为什么这是答案。
When you solve a mathematical problem, you don't just get the answer - you understand why it's the answer.
艺术不是奢侈品,而是必需品。
The development of the energy industry must adhere to the green and low-carbon direction, which is a global consensus and the responsibility of Chinese energy companies.