因果推断不仅仅是统计显著性；它关乎理解数字背后的机制。
The ultimate search engine would understand everything in the world. It would understand exactly what you meant, and it would give you back exactly what you wanted.
The secret of improved plant breeding, apart from scientific knowledge, is love.
The beauty of mathematics lies not only in its abstract elegance but also in its profound ability to model and solve real-world problems.