All men are immortal， but those who are not educated are immortal in a lower and less enviable sense.
所有人都是不朽的，但那些没有受教育的人是以一种更低级和不令人羡慕的方式不朽。
人比自己想象的要坚强。只是没有意识到这种坚强。
投资于低碳解决方案不仅对环境有益，也是良好的商业决策。
Trade between two countries can be mutually beneficial, even if one of them is less efficient in the production of all commodities.
The coal industry has been the backbone of America's energy independence for generations.