The coal industry has a critical role to play in providing affordable and reliable energy while we transition to a lower-carbon future.
在我们向低碳未来过渡的过程中，煤炭行业在提供经济可靠的能源方面发挥着关键作用。
坚持是数学研究的关键，许多伟大的成果来自于长期的奋斗。
当你有局限时，你必须更有创造力。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
The best way to predict the future is to create it.