So, if we want to go from that stable state to that less stable state, we need to put in a certain amount of energy to our system, that difference between the free electron and the electron bound to the metal.

所以，如果我们想使电子,从稳态到达不够稳定的状态，我们需要引入一定数量的,能量到系统中，即自由电子和束缚于金属的,电子的能量差。

麻省理工公开课 - 化学原理课程节选

We know that the way we enter into society is by consent, by agreement to leave the state of nature and to be governed by the majority and by a system of laws, human laws.

众所周知，只有经过同意，才能进入社会,才能脱离自然状态，并被大多数人,被人类法律体系所管辖。

耶鲁公开课 - 公正课程节选