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Natural gas will play a critical role in the energy mix as we move toward a lower-carbon future.
With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.
"Do not go where the path may lead, go instead where there is no path and leave a trail."
The Internet is for everyone.
Literature is the art of giving form to the formless.
采矿业的领导力意味着将安全、效率和社区长期影响置于首位。