For developed countries, although it seems that they can spend money on these extravagant things, they should be warned that these buildings and sculptures will not last hundreds of years.

对于发达国家，尽管看起来他们花费了金钱在这些奢侈的事情上，他们应当被警告那些建筑和雕塑不会持续成百上千年。

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Should this system be introduced repeat offenders will be warned they are infringing and then, in a second letter, told that technical measures could be implemented.

一旦引入该体系，反复违规者首先会被警告他们正在违规，然后在第二封信里，告知其如果再犯将会使用技术手段。

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Earlier this year, Professor Hawking warned humans should be wary about trying to make contact with other alien life forms as we could not be sure that they would be friendly.

今年早些时候霍金警告说，人类应该尽力避免与太空其他生命形式接触，因为我们无法肯定他们是友好的物种。

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They should also be warned that cigarette smoking works with the alcohol in a way that further increases the risk of esophageal cancer.

VOA: special.2009.06.23

Sodhi's brother Rama Sodhi says they had been warned by well-meaning customers that they should be careful.

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But head teachers warned they should not be allowed to "wither on the vine".

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They warned, however, that the contribution should not be so severe that it would provoke an exodus of the rich or increased tax avoidance.

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