The campaign is intended to raise public awareness of protecting our earth.

该活动旨在提高公众保护地球的意识。

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Though scientists were overjoyed with the plethora of data beamed back to Earth, the mission was a public relations dud.

虽然科学家非常高兴能够收到传回地球的一大堆数据，但这项任务无助于公共关系。

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On Sunday, the eve of the 40th anniversary of their return to Earth, the three will be reunited in public for what is likely to be the last time.

在他们返回地球40周年纪念日前一天的周日晚上，三位航天英雄将进行可能是最后一次的公开重聚。

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Because of Kahn,experts say, one of the poorest countries in the world has one of the most beautiful public buildings on Earth.

VOA: special.2009.12.13

Some environmental advocates dismissed the decisions as public relations moves in advance of Earth Day.

CNN: Sci-Tech - Bush aides defend environmental record

Some of its institutions, businesses and public venues are championing a more Earth-friendly approach to development and business.

FORBES: See green

So given that the UK government, UK households and UK banks are struggling to repay a veritable mountain of debt - more in aggregate than the UK has ever borrowed in its existence - why on earth does the UK public sector look an attractive place to investors for their precious cash?

BBC: Why investors love lending to the UK government