制造链式反应机器的基本点当然是确保每次裂变产生一定数量的中子，其中一些中子将再次产生裂变。

"Books are the plane, and the train, and the road. They are the destination, and the journey. They are home."

计算机体系结构的目标是使常见情况快速，罕见情况正确。

The health of our oceans directly impacts the health of our communities and economies.

艺术家的职责是通过可见的事物揭示不可见的东西。