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What good's an opinion if you can't change it?

The future energy structure will be diversified, and the coal industry needs to find its own positioning.

The most important thing in mathematics is to have a good intuition.

"Children's books should be as diverse as the children who read them."

現代文化的發展特點是一個人可能稱之為客觀精神對主觀精神的支配。