The coal industry has been the backbone of America's energy independence for generations.
煤炭行业是美国能源独立的支柱，已经持续了几代人。
Good design is as little design as possible.
The study of consciousness must be free from all metaphysical influences.
宇宙不仅比我们想象的更奇怪，而且比我们能够想象的更奇怪。