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They created Pedal People as a way to create a useful service that helps the local economy and is environmentally friendly.
VOA: special.2009.12.04
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Are there other indicators or tricks or rules of thumb that just off the top of your head come to you as useful mechanisms for doings this as well?
当然还有没有其他的,一些暗示或者说技巧,或者规则之类有用的办法呢？
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And so it’s not quite as useful as Facebook which is great for social reasons.
对于拓展社交圈的话，它不会比Facebook更实用。
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It is said to be most-useful to athletes in endurance sports such as cycling and distance-running.
VOA: special.2011.04.12
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So the do while construct is not as useful as the other two.
所以那个do，while，结构不像其他两个那么有用。
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And colleges offered more classes in such useful subjects as teacher training,engineering, and business administration.
VOA: special.2010.12.30
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So the pain you're suffering now is actually instrumentally valuable, useful as a means, even though it's intrinsically bad.
所以你现在忍受的痛苦,是有利用价值的，作为手段是有用的，尽管痛苦本身是坏的。
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She decided she would be more useful as a nurse than as a student.
VOA: special.2010.05.26
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There are all kinds of things that it might be very useful ; for you to know as an inhabitant of Western civilization; and the New Testament,you might find out, would rank kind of down on the list of those kinds of things.
作为西方文明的一分子,有很多有用的东西可以学;,而新约，你会发现，与这些东西相比，排名比较靠后。
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She wrote that society often dismisses old people as no longer important or useful.
VOA: special.2009.10.18
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This is why a dream diary or writing up-- writing your dreams as soon as you wake up turns out to be useful.
所以梦境日记-,要在醒来后马上写,这很有帮助。
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Lieutenant Eakins says it could be useful in preventing crimes such as burglaries in Palm Bay's dispersed residential communities.
VOA: standard.2010.01.01
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So this suggests that these tests ain't just for economic funding games that they can actually be useful as probes of symptom profiles in mental health issues.
所以这些试验并不仅仅适用于经济,它们也可以在精神健康领域,作为病情监测的手段。
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As doctors grapple with the H1N1 flu pandemic, studies like these could prove very useful.
VOA: standard.2010.05.05
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I think they probably also invented a few things, but it was very,very characteristic of the Greeks to borrow from the cultures they encountered and to adapt them, to make them more useful for their own purposes and nothing could be clearer than the alphabet as an example of that.
我认为他们或许也发明过一些事物,但从他们所遇到的文明中进行借鉴,将之应用到自己的生活中去,并使它们更适于希腊人自己的目的,这样的方式也是非常希腊风格的,也没有什么,能比字母表这个例子更能清晰地说明这点了
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Because sometimes it's useful to think about the payoffs, as coming from "i's" own choice and everyone else's choices.
因为有时候考虑在i和对手,在不同选择下的收益是很有必要的
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and sort of also useful as a skill... not just for my career but in general, so...
不仅是对我的职业，整体来看，它也是一项有用的技能，所以……
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OK. All right, let me show you one other tool that I want to use. Which is, I've written that piece of code, I ought to check it. Well, I could just run it, but another useful thing to do is, I'm, especially as I want to debug these things, is to simulate that code.
好，那么，让我给大家讲下,我想用的另外一个工具吧,也就是，我已经写好了这一块代码，我应该去检查检查,那么我可以去运行它,但是特别是当我想要调试代码的时候。
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The other is that this kind of adherence gives the tissue a property that's useful, in this case the property is it can serve as a barrier to nutrients from entering our body.
另外这种黏附,给予组织一种非常有用的属性,这种属性表现为组织成为,营养物质进入身体过程中的屏障
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But as long as you remember that distinction, it's a very useful pattern.
只要你记住了二者的区别，这将会是一个非常有用的句型。
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Okay, not to dwell too much on math because you can very quickly bore someone in computer science by dwelling too much on math but it's useful even for logical constructs as we'll see with loops.
不要过于纠结于这些数学问题了,在计算机领域，你会很讨厌那些,在这上面钻牛角尖的人，但是对于那些,像循环这样的逻辑结构又是很有用的。
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And we'll see why this is increasingly useful as our programs get more and more interesting.
我们将会看到这和我们的程序一样,变得越来越有趣了。
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Now as an aside, turns out you can do more interesting formatting with printf, and this is useful even for ASCII art purposes.
说点题外话，结果你可以用printf来打印其他的格式,这是非常有用的,甚至是为了ASCII艺术的目的。
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And we've only just begun using it, but it has just a bunch GetInt GetString GetDouble of very useful functions like GetInt, GetString, GetDouble, And so as those names imply, you can just cull these functions with no arguments and you'll get back that data type based on its name.
我们刚开始使用了它，里面有很多的,有用的函数，像，所以，那些名字暗示，你可以挑选这些,没有参数的函数，然后你可以通过它的名字,获取他们的数据类型。
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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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It's used to treat people that have - you've heard about Epo and blood doping, but it's a therapeutic protein as well and very useful for patients with anemia.
它用于治疗--,你听说过EPO,还有血液回输,而这也是个可用于治疗的蛋白质,治疗贫血很有效
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This chart, very boring and uninteresting but useful to say there are very well defined rules as to when you're writing code, what operators, like what syntax should get evaluated first.
这个图表，看起来很烦，很无趣，但是它很有用,有非常明确的规定,譬如，当你写代码时，就会涉及操作符的优先级。
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