This is a fairly radical process for a business or individual to take and generally involves wiping a slate clean to rebuild from the ground up.

这对一个企业或个人来说是一个相当激进的过程，通常会涉及清除全部内容并重建站点，白手起家。

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Scientists have adapted a process called "gasification" which is already used to clean up dirty materials before they are used to generate electricity or to make renewable fuels.

科学家们对一种称为“气化”的处理过程进行了改进，这个过程以前就已应用于清理发电或可再生燃料制造中所使用的不清洁原料。

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The fact that the OMEGA process would clean up wastewater and help sequester carbon dioxide doesn't hurt, either.

事实上，OMEGA系统不光可以清理污水，而且还可以帮助阻止二氧化碳现象的恶化。

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Construction crews are hauling in heavy equipments to start the long and tedious clean-up process.

NPR: Cleanup Begins at Minneapolis' Collapsed Bridge

The clean-up process might be hindered by pro-union rules such as the Davis-Bacon Act, which increases the cost of federally funded construction projects.

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And when Bush argues that his answers are part of a principled fight to clean up the process, he is appealing to a palpable national longing.

CNN: 'I've made mistakes...'