Coal’s future depends on our ability to make it cleaner and more efficient.
煤炭的未来取决于我们能否使其更清洁、更高效。
有时候我确实很想知道大学生活会是什么样子的，但是我还是坚持我的决定。
The key to success is to find patterns where others see randomness.
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.
金钱是战争的命脉。