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

He accepts entirely, or the laws force him to accept entirely, the covenant that every citizen has with the laws that binds them to absolute obedience.

他全盘接受，或说法律迫使他全盘接受，每位公民,与法律的约定,使他们束缚于绝对服从中。

耶鲁公开课 - 政治哲学导论课程节选

It should not be limited or constrained by any transcendent standards or moral laws that do not derive from politics itself, whether a law of God or some kind of transcendent moral order or code.

它不可以被任何超验的准则或道德条律所,限制和束缚，因为那些并非源自于,政治本身，无论那是上帝的法则，还是,某种超验的道德命令或准则。

耶鲁公开课 - 政治哲学导论课程节选