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For any given level of return, you can reduce the risk; for any given level of risk, you can increase the return; sounds pretty good.
给定回报率,可以降低风险,给定风险水平,可以提高回报率,听上去不错
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who're interested, (a) in improving their own Spanish- speaking skills, and (b) helping out the community.
如果他们对这个活动感兴趣，想要提高自己的西班牙语水平，同时愿意为社区尽一份力，
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But the idea is to try to present to you what's exciting about Biomedical Engineering, the ways that one can take science and mathematics and apply that to improve human health.
这门课力图向你们展示,生物医学工程那激动人心之处,它融合了自然科学和数学,并用其成果提高人类健康水平
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He tries not only to copy European absolutism, but to open up Russia to commerce, realizing that trade meant wealth and that wealth meant improvements in the lives of the Russian people.
他不仅试图仿效欧洲的绝对主义,也开放了俄国的商业贸易,他意识到贸易意味着财富,而财富则等同于俄国民众生活水平的提高
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During World War One and Two, our men were out dying in Europe and people voted for someone who said, let's raise the taxes on the rich, someone's profiting from this war now.
这两次世界大战期间，我们的很多同胞战死在欧洲,人们拥护那些要求提高富人缴税水平的人，因为有的富人，是发战争财的。
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We'll talk about whether food can promote health; of course it can if done right, and we'll talk about the specific properties of food that promote good health and what can be done to increase the opportunity of food to improve the public's health in a national and international way.
我们将讨论食物是否能促进健康,当然,适当的饮食能促进健康,我们还将讨论健康食品的特殊性质,以及我们如何,通过食物来提高,全国乃至全世界公众的健康水平
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Well you could stretch it and say that an example of engineering to improve human health is getting them from one place to another, but that would be more of a stretch than I'm going to make.
你只能勉强地说,这个工程学成果能通过把人们从一个地方,带到另一个地方来提高人的健康水平,我只能联想到这个程度
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The other thing about it is that you could make lots of things that are new but generally you think of engineers as making things that are not just new but they're useful, that they do something that needs to be done, and that they do something that improves life, the quality of life of people.
另一个区别是,科学家会做很多很多新鲜玩意儿,而一般来讲,工程师做的东西不只是新奇,它们还很有用,他们做那些需要做的东西,他们做的东西能够提高,人类的生活水平和生活质量
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