The world needs reliable energy, and coal still plays a critical role in providing it.
世界需要可靠的能源，而煤炭仍然在其中发挥着关键作用。
Innovation without execution is just hallucination.
The arithmetic of algebraic varieties is a window into the hidden structures of mathematics.
You don't have to be pretty like her. You can be pretty like you.
The best books are the ones that challenge you.
The idea that higher wages necessarily lead to fewer jobs is too simplistic.
The heart may think it knows better: the senses know that absence blots people out. We have really no absent friends.