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The problem with--there's a problem with gambling behavior because in a certain fraction of the population we have pathological gambling.
赌博行为有个特殊情况,在人群中总会有一小撮人,我们称之为病态赌博
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Some people in the population are more biologically vulnerable than others, and the Pimas appear to be one of those groups.
人群中有一些群体,在生物学上处于弱势,皮玛族就是其中之一
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That's important, too, because you need to be able to tell if the virus is present in the human population.
这一点也非常重要,因为你要能够分辨出,人群中是否有人感染了天花病毒
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Virgil alludes to just this passage in Homer when he describes the entrance of a whole crowd of people in to the underworld as "the falling of leaves in the early frost of autumn."
维吉尔只是在荷马中影射了这点,他描述了通往人群拥挤的地狱的入口,如同“在深秋严寒中无情飘落的叶子“
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what would it mean to read this letter out loud in a community, not alone in your dorm room,or just by yourself,in the library?
为什么书信要在人群中大声朗读，而不是在寝室里，图书馆里一人看？
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But you do, in fact, have to worry about long-term exposure, cyanide poisoning in terms of long-term effects in certain populations that do get the bulk of their carbohydrates from this root, from the root of the Cassava plant.
但是你确实，不得不担心长时间的接触，氰化物的慢性中毒会对,从木薯根中获取大部分,碳水化合物的部分人群产生影响。
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What this means in the insurance context is that if you offer insurance policies you will tend to attract people who are higher risk.
保险中选择性偏差的意思是,如果你提供某个险种,吸引的是承受该险种风险较大的人群
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It is fair to argue that non-titled people in England were at the forefront of the victorious role in the civil war that parliament played.
而另一方面,英国的无头衔人群,在议会的内战中,站在了胜利的一方也无可厚非
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And yet,for all that,feels removed,distant, alienated from the others,feels lonely even in the crowd.
但还是感觉非常疏远，有距离感，感到和他人疏远，在人群中都觉得孤单。
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Some enchanted evening you will see a stranger across a crowded room. Right?
一个醉人的夜晚,你在拥挤的人群中邂逅了一位陌生人？
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The percentage of the population who was noble, who had noble titles, was extremely small.
在人群中贵族,或者有贵族头衔的人,其所占份额非常小
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But it's all different degrees of terrible, if you will, because so many people in the population share that biological vulnerability and when the environment changes, we have the problems.
只要愿意,这造成的恐慌程度是不同的,因为在人群中有很多这样的群体,他们都有这种生物易损性,当环境发生变化时,就会出现问题
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If I happen to have some other infectious disease, then not only would you passing the protection to smallpox, but you'd be passing that disease among the population as well.
如果正好还有其他传染病,那不仅会传播对天花的免疫能力,也在人群中传播其它传染病
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The percent who think it's the best investment is higher in Los Angeles than in Milwaukee, and since the peak of the bubble in 2003, it's been declining in Los Angeles but, surprisingly, rising in Milwaukee.
认为房地产是最佳投资选择的人群,在洛杉矶居民中所占比例远高于密尔沃基,自从2003年房产泡沫达到最高峰,洛杉矶房价就一直在下跌,令人惊异的是密尔沃基房价仍在上涨
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Let's say you want to see how something like cigarette smoking is changing in the population and the rates of cigarette smoking, and you want to look at people every five years from 1970 to 2000.
比如你想知道,人群中吸烟者的人数变化,和吸烟者的比例,在1970年至2000年每五年的情况
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You will see a stranger across a crowded room.
你在人群中邂逅陌生人。
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You find that the graphs for the men and the women, the orange and the yellow lines look pretty much the same, so there don't appear to be any gender interactions until you get out here, and that's a pretty small segment of the population.
图中黄色线代表男性,橙色线代表女性,两条线相当接近,除此之外,性别之间没有太大差异,这部分人群总体并不多
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Well, a cross-sectional study would mean that you'd get a random group of the population and measure them in 1970 and then take another random group five years later and measure them, but it wouldn't be the same people necessarily, it would be different groups of people.
那么,横断面研究就是,1970年你在人群中随意选择一组人,并记录下相关数据,然后,五年后再随意选择一组人记录数据,但这不需要是同一组人,通常是不同的人
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If you run these curves only on non-smokers you get rid of that J at the end of the curve and you get pretty much a function that's to the right of the curve here.
如果仅在不吸烟人群中做统计,那么左末端就不会出现J形曲线,而是会得到一条,从左到右逐渐上升的完美的函数曲线
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