当一个实体的地位或者状态发生改变时。

When the status or state of an entity changes.

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通知确认操作或者状态改变确实发生了。

Notification confirms that actions or state changes actually took place.

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此外，避免返回空对象或者状态无效的对象。

In addition, avoid returning objects that are null or in an invalid state.

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We are bodies in motion, and who cannot help but obey the law or the physics of attraction and repulsion.

我们处在运动状态，这是无法控制的，只有遵循规律,或者引力和斥力的规律。

耶鲁公开课 - 政治哲学导论课程节选

We use it differently now. But the fact is that the common or profane state is the natural default state of most objects and things. This table is just profane. It's common.

现在它的用法不同了，事实上,“普通“或者“世俗“的状态都是,大部分事物的自然状态，这张桌子是世俗的，它很普通。

耶鲁公开课 - 旧约导论课程节选

But now, what happens if, instead we look at what happens when we go to some state one to some other state two and it's the pressure. Or the volume, that changes.

但是现在，我们看看如果,我们关系从状态一变化到状态二时,体积或者压强发生变化。

麻省理工公开课 - 热力学与动力学课程节选