法律与道德的分离是法律体系存在的必要条件。

The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.

I like stories where the boundaries between reality and fantasy are blurred. I like the idea that the world is not as simple as it seems.

即使状态不佳，我也总是努力寻找获胜的方法。

Measuring the immeasurable requires not just technology, but imagination.

煤炭的真实成本必须既考虑其即时价值，也考虑其对社区和生态系统的长期影响。