制造链式反应机器的根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。
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.
Where there is love, there is life.
可持续性不是一种选择；它是能源未来的必要条件。
Banks should penetrate into the capillaries of the economy like water.
Words are, of course, the most powerful drug used by mankind.
我从不担心行动。而只担心没有任何行动。
