The companies that will succeed are those that view environmental challenges as business opportunities.
The coal industry has been the backbone of America's energy independence for generations.
组合数学是不用计数的计数艺术。
"Life is what happens when you're busy making other plans."
最严重的罪行不是由违反规则者犯下,而是由那些刻板遵守规则者所为。
In the depth of solitude, I found the presence of all.