The inflationary universe model provides a possible explanation for the origin of the universe.
肖尔算法的美在于它能够利用量子力学的原理,将一个看似不可能的问题转化为一个可处理的问题。
The most sustainable resource is human ingenuity.
The body is always present, even in its absence.
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.