Some green marketers learned the hard way, green marketing must still involve all the same principles of a traditional marketing campaign.

一些绿色营销人员吸取了惨痛的教训，绿色营销仍然必须包含所有与传统营销活动相同的原则。

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He fought long and hard in this campaign, and he's fought even longer and harder for the country he loves.

为了这次的大选，他的战斗是漫长而艰难的，而为了他所深爱的国家，他的战斗甚至更加漫长，更加的艰难。

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Many of its leading lights actually prefer other voting systems: it will be hard to disguise that lack of enthusiasm during the referendum campaign.

其中很多重要人物其实更倾向于其它选举系统：在全民公投的游说中缺乏热情很难伪装。

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Henry Clay said the campaign was a struggle between log cabins and palaces, between hard cider and champagne.

VOA: special.2009.01.22

Unlike Grant, Greeley did campaign hard.

VOA: special.2010.02.18

He says the campaign aims to change consumer behavior through the use of soft power, not hard power.

VOA: standard.2009.10.19

Britain is slowly withdrawing from Iraq, but finds itself fighting an unexpectedly hard campaign in Afghanistan, where it forms the second-largest foreign contingent.

ECONOMIST: Choppers are vital��and hard to find

For instance, he said, the NRA fought hard against campaign finance reform in the days of McCain-Feingold.

CNN: STORY HIGHLIGHTS

He fought long and hard in this campaign, and he's fought even longer and harder for the country he loves.

NPR: Transcript Of Barack Obama's Victory Speech