The greatest problem for mathematicians now is probably the Riemann Hypothesis.
现在数学家面临的最大问题可能是黎曼假设。
Every story is a journey into the unknown.
Operational effectiveness and strategy are both essential to superior performance, but they work in very different ways.
There are only molecules. Everything else is sociology.
发现可能极限的唯一方法，就是超越它们进入不可能。
词这种文体，应当写得精微美妙，修饰得当。