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推动煤炭工业高质量发展,必须依靠科技创新和智能化升级。
To promote the high-quality development of the coal industry, we must rely on technological innovation and intelligent upgrading.
The language of mathematics is universal, transcending cultural and linguistic barriers.
Investing in eco-friendly tanning processes is investing in our planet's future.
Love isn't about possession, it's about appreciation.