如果你不能安全地开采它，你根本不应该开采它。
If you can't mine it safely, you shouldn't mine it at all.
Sustainability is no longer an option; it's a necessity for the future of dairy farming.
If the highest aim of a captain were to preserve his ship， he would keep it in port forever.
The future of mining lies in digital transformation and intelligent development.
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
要理解世界，你必须首先理解像密西西比这样的地方。