Using nano-robots for good purposes such as fighting disease or repairing the environment may be the solution to many of today's problems.

将纳米机器人用于良好用途，如防治疾病或修复环境，可能是当今许多问题的解决方案。

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In the past, drugmakers typically sought approval for oneindication for a new drug -- meaning the medicine could bemarketed for just one purpose, such as fighting cholesterol.

过去制药商的典型做法是针对一种疾病的开发新药，这就意味着这些药只能达到一种效果，比如分解胆固醇。

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Various interventions, such as infection-fighting drugs, can increase a population's average survival time, but only approaches that slow the body's rate of aging will increase the maximum lifespan.

各种干预措施，如抗感染药物，可以增加人口的平均存活时间，但只有那些减缓人体衰老速度的方法才能延长最长寿命。

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That would have reduced whatever leverage the U.S. still has with Pakistan on such issues as fighting terrorism, curbing nuclear proliferation and moving back toward democratic government.

CNN: Delicate Diplomacy

Their successes were huge -- involving such feats as fighting back against salacious rumors of affairs and charges of buying an election, fending off a huge battle against big labor and riding the Tea Party Express to victory.

CNN: Florida race could haunt Democrats in 2012

The DFES says that primary schools have reported a decrease in problems such as bullying and fighting where the emotional intelligence lessons have been taught.

BBC: NEWS | UK | Education | Behaviour lessons for teenagers