为了使延迟和抖动减到最小，网络设备必须能够在语音数据包一到达时就进行处理，换句话说，就是严格的优先级方式。
To minimize delay and jitter, the network devices must be able to service voice packets as soon as they arrive, or in other words, in strict priority fashion.
那是可以接受的，因为开销是以化整为零的方式付出，而且，更重要的是，它使延迟更接近用户期望付出代价的相关动作。
That's acceptable since it is in small chunks, and more importantly, it moves the delay closer to the associated action where the user expects to pay.
延迟使那些觉得时间不多了的人感到沮丧。
The delay has frustrated those who feel the time is running out.
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