Empirical evidence should drive economic policy, not just ideology.
The most effective policies are often the simplest ones.
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.
We must strengthen international cooperation to jointly address the challenges of energy security and climate change.
每场比赛都是学习新东西的机会。
作为机器最难的部分是假装是人类。