无论如何，为了更好的减少过程变差的普通原因需要管理人员和与操作直接相关的人员的密切的配合。也就是说，过程的控制，是管理和技术的结合。

Nevertheless, close teamwork between management and those persons directly connected with the operation is a must for enhancing reduction of common causes of process variation.

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研究者发现，猪流感病毒比普通流感在肺更深部结合，这可以解释为什么它有时是致命的原因。

Researchers discover that the swine flu virus binds far deeper in the lungs than ordinary flu, possibly explaining why it is sometimes fatal.

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但是，诸多商品价格上涨的事实表明一个普通的原因。

But the fact that prices have soared across so many commodities suggests a common cause.

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Common objects can be pure or impure; it just depends whether or not they've been in contact with a source of impurity or not. Alright?

普通的事物可以是纯洁的或者不纯洁的;,原因只取决于它们是否,和一些不纯洁的来源有接触，对吧？

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