We must balance short-term demands with long-term sustainability.
The world is a cruel place, but it is also beautiful.
I'm not a rapper, I'm a limbo legend.
The power of words is that they can create worlds.
美国以其广阔的能力，能够在其境内容纳地球上所有的人口。
我们要做就做最好的，否则就不做。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
我们生活中最重要的大部分事情都在我们不在的时候发生。
The coal industry has a critical role to play in providing affordable and reliable energy while we transition to a lower-carbon future.