代数是人类创造的一种智力工具，用于清晰地表达世界的数量关系。
My life goal is: to be a person who contributes to society.
To live is not to breathe， but to act.
The concept of computational complexity is not just about how fast we can compute, but also about understanding the limits of what can be computed.
Success in trading comes from continuous learning and adaptation.