In the early stages, drug use is often hard to see.
早期，吸毒往往很少见。
Not only is aspirin so cheap it will not make any money for drug firms, it could be hard to find a group of women with breast cancer who were prepared never to take aspirin during a trial.
这不仅是因为阿司匹林的价格低廉，药物公司很难从它身上赚到钱，而且可能很难找到一群患有乳腺癌又愿意在试验期间准备从不服用阿司匹林的妇女。
It's also hard to find much right with a drug that elevates blood pressure, aggravates stress, causes insomnia and leads to addiction.
同样，另一种药会导致血压升高、加剧紧张、造成失眠，而且最终会上瘾，你就很难说它有什么好处。
It's hard to find much wrong with a drug that can battle fatigue and improve creativity and could even help prevent Parkinson's disease and diabetes.
如果一种药可以对抗肥胖，提高创造性，甚至还能有助于防止帕金森症和糖尿病，你很难说它有什么不好。
He doesn't have ADHD or a prescription, but the drug is not hard for him to get.
他并没有ADHD症状或医生的处方，但对他来讲获得这种药并不困难。
It's hard to create a drug to suppress appetite when there could be many unknown factors involved in this instinct.
既然引起食欲的许多原因还有待发现，就很难发明一种药物来抑制食欲。
After some hearty talk about hard work behind bars, and siphoning off drug addicts and the mentally ill for treatment outside prison, Mr Clarke gets to the nub of it.
在对监狱里繁重的劳动、强制瘾君子戒毒和为罹患精神疾病的罪犯寻求狱外就医问题作了一番真诚谈论之后，克拉克先生说到了问题的关键。
The young, brash Mr McInerney gained a notorious reputation in gossip pages and glossy magazines for his own hard-partying habits, his reported drug use and dramatic private life.
随之报纸和杂志用大量的文字和图片对他寻欢作乐、吸毒和戏剧似的私生活进行报道，年轻、傲慢的杰•麦克伦尼也因此声名狼藉。
It's hard to tell somebody who has a lot of money that you can't buy the drug for yourself.
你很难告诉有很多钱的人，你不能为自己购买这种药物。
It is hard pounding, however, and—as the drug companies’ confession suggests—it is the “R” rather than the “D” of research and development that needs to be emphasised at the moment.
然而，这是一记重锤，而且----正如医药公司的忏悔所表明的那样---此刻需要强调的是“研”而不是“发”。
SQUINT hard, and textbook publishers can look a lot like drug makers.
如果硬要把教科书出版商和药厂拉在一起比较的话，两者有很多类似的地方。
With omega-3 rich fish and flaxseed oils now common in grocery and drug store supplement sections, maintaining a diet replete in these crucial fatty acids is not as hard as it once was.
随着在食品店以及药房中富含ω-3的鱼类及亚麻籽油的饮食补充，在饮食中维持这些重要的脂肪酸的摄入已经不再像过去那么困难了。
"If I said to you I'd solved the hard problem, you wouldn't be able to guess whether it would be a formula, a model, a sensation, or a drug, " said Greenfield. "What would I be giving you?
“如果我告诉你已经解决了这个难题，你可能猜不到答案究竟是一个公式，一个模型，一种生理感觉或者是一种药物，”Greenfield说，“我本该给你什么答案呢？”
Scientists who study drug addiction have a common problem: The individuals they deal with are already addicted, so it's hard to tell what, if any, behaviors led to the initial dependence.
研究药物成瘾的科学家都会碰到同一个问题：他们的研究个体已经对药物成瘾，因此很难说得清到底是哪个行为导致了最初依赖性的形成。
Scientists at Washington University School of Medicine in St. Louis have discovered a new drug target that could improve the effectiveness of radiation for hard-to-treat cancers.
华盛顿大学圣路易斯医学院的科学家发现了一个新的药物靶点，该靶点能有效改善一些疑难癌症的放射疗法的疗效。
It is hard pounding, however, and—as the drug companies' confession suggests—it is the "R" rather than the "D" of research and development that needs to be emphasised at the moment.
正如医药公司们所承认的那样，我们现在最关键的是要“研”而不是“发”。
"We continue to support studies to provide clarity on the use of our drug in this population, " she adds. "But it is really hard to reach a conclusion based on the small sample sizes in this study.
“我们会继续向研究活动提供支持以澄清我们的药物用于这个群体的后果，”她补充道，“但是想通过这样一个小样本量的研究获得确切结论确实比较困难。”
This is routine, because it's very hard to predict how food may speed up or bind with a drug and alter absorption. So, the drug company did what they would normally do.
因为很难预测食物是否是加速药物的吸收，或是与药物结合而影响药物的吸收，所以这样的研究设计是一个惯例，往往药物公司通常是这样做。
"Viruses are pretty good at developing resistance to things we try against them, but in this case, it's hard to think of a simple pathway to drug resistance," she says.
“病毒对极力抑制它们的药物很容易产生耐药性，但在这种情况下，很难想象出一种简单的方法来解决耐药性。”她说。
Tom: It's not hard to understand, but will your father be a drug dealer?
汤姆：不难理解，不过，您的父亲会贩毒吗？
When we at Fielding-Roth had that drug, we planned to push it hard.
我们费尔订-罗斯公司拿到那种药时，曾计划大力推销。
In epidemiological studies there is a reverse correlation between HDLc and cardiovascular events but after drug intervention, what the implication is of a change in HDLc is hard to say.
流行病学研究显示HDL - C水平和心血管事件间呈负相关，但药物干预后hdl - C水平的变化有何意义还不明确。
Risk expectations: 40% of biotech's lose money historically, and drug development is hard and often takes longer than expected.
风险预期：历史数据显示，40%的生物技术公司都曾赔钱，而且药物开发难度和周期常常超过预期。
And it would be hard to get the Food and Drug Administration to approve a drug with any serious downside for so mild a disease.
而且治疗如此轻微疾病且副作用很厉害的药物也很难得到食品与药物管理局（FDA）的批准。
And among people who abuse drugs and alcohol, more than three-quarters use tobacco, which means tobacco is still the leading killer of the drug-dependent, not hard drugs.
在滥用毒品和酗酒的人中有四分之三的人吸烟，这意味着吸烟依旧是使用毒品中人中主要杀手这一，他们对吸烟产生了依赖，但是烟品不是会使人在心里上或生理上产生依赖的毒品。
" Having said that, A Hai hard to smoke out the mouth, said: "In any case, I would also like her daughter to drug treatment, it is necessary to live well.
说到这，阿海狠狠地抽了口烟，说：“不管怎样，为了女儿我也要戒毒，要好好活下去。”
" Having said that, A Hai hard to smoke out the mouth, said: "In any case, I would also like her daughter to drug treatment, it is necessary to live well.
说到这，阿海狠狠地抽了口烟，说：“不管怎样，为了女儿我也要戒毒，要好好活下去。”
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