我们开采的每一吨煤炭都承载着我们对可持续性的承诺。
Every ton of coal we extract carries the weight of our commitment to sustainability.
创新不仅仅是技术的问题;它关乎人们以及他们如何利用技术创造价值。
The pursuit of mathematical knowledge is a journey that never ends, filled with endless curiosity and wonder.