"The poem is not a closed field, but an open one, and the reader is invited to enter."

比喻政府干预初衷虽好，但结果可能适得其反。

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

The future of coal lies in balancing tradition with technology.

Sustainability is not an option; it's a necessity for the future of our industry.

"The beauty of cinema is that it allows us to see the world through someone else's eyes."

学习的挑战不仅在于记忆，还在于从具体例子中归纳出更广泛的概念。