优秀的仲裁员必须是法律体系之间的桥梁，而非障碍。

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.

【讲解】：不怕东西少而怕分配不均匀，不怕贫困而怕不安定。