矩阵力学是对经典物理学的彻底背离,但它是解释原子世界所必需的。
The greatest problem for mathematicians now is probably the Riemann Hypothesis.
Those who keep learning will keep rising in life.
文化生态学的研究需要一种整体方法,考虑影响社会的自然和文化因素。
You never fail until you stop trying.