Factory wastewater has to be cleaned before it goes back to nature.

工厂废水在回归自然之前必须进行净化。

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He used to return home at least once a year, but hasn't been back for almost three years now because of the hard job in a crayon factory.

他过去每年至少回家一次，但由于在蜡笔厂工作太辛苦，他已经快三年没回家了。

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"The workers know it's not a problem with our factory itself, it's just hard to get our money back," he said.

“工人知道这不只是我们工厂自身的问题，确实很难要回我们的钱。”他说。

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Today, the hapless youngster innocently applied webOS Doctor in a bid to reset his phone back to factory and wouldn't ya know it?

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And they will often decide to go back to a different factory: or not to go back at all having done their few years and made their nest egg.

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Sometimes manufacturers don't learn of a quality issue until after a customer goes to the dealer with a complaint and the dealer ships the faulty part back to the factory.

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