Our country has spent billions of dollars to help the underdeveloped nations improve their standard of living.

我们国家已花了好几十亿元去帮助低开发国家，改善他们的生活水平。

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If you have unique skills and are interested in traveling to underdeveloped, sometimes dangerous regions, the United Nations Volunteers may have a job for you, sometimes in a country consistently beset with disasters.

CNN: Site Seer: Help others in need, and help yourself