检验统计假设的问题由来已久，其起源已不可考。
A building should speak of its time and place, but yearn for timelessness.
"The most important thing is to stay mission-driven."
释义：运气不好的时候，即使是黄金也会失去光泽；运气好的时候，连普通的铁也会发光。
"In mathematics, we often seek elegance and simplicity, but in computer science, we must also consider practicality and efficiency."