火山灰（航空业方面）和墨西哥湾漏油事件（燃料和塑胶原料方面）将加快这种转变。

The impact on lifestyles (through aviation) of volcanic ash clouds and (through fuel and plastic feedstock) of the scandalous oil leak in the Gulf of Mexico will accelerate that shift.

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这种转变看起来像是一直具有某种破坏性，但是迈入新千年后它的步伐却加快了，而且在大萧条后变得更快了。

To some degree, this transformation has felt disruptive all along. But the pace of the change has quickened since the turn of the millennium, and even more so since the crash.

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