旅游业不仅对世界经济产生了深远的影响，而且由于旅游的教育作用和对就业的影响，也对社会本身产生了深远的影响。
Tourism has a profound impact both on the world economy and, because of the educative effect of travel and the effects on employment, on society itself.
到二十世纪初，科学家们认为，在更新世期间，有四次不同的冰川作用对北美和欧洲产生了影响。
By the early part of the twentieth century, scientists believed that four distinct glaciations had affected North America and Europe during the Pleistocene epoch.
女性激素对少女产生了不同的作用。
这种可塑性不仅贯穿生命个体的一生，也许对进化也产生了至关重要的作用。
This kind of plasticity may play a vital role in evolution as well as during the lifetime of individuals.
但是这次减息对经济产生的直接作用很小，因为贷款额依然受限。
But the cut will have little direct impact on the economy because lending is limited by quotas.
如果问我，身为美国人对我作为一名作家进行思考和创作产生了什么作用，倒不如问我，身为拉脱维亚裔对我理解作为美国人意味着什么有哪些影响。
How has being American affected my thinking, my work as a writer? Better, maybe, to ask how being Latvian has affected my sense of what it means to be American.
实际上，如果把美的定义限制为“对人类产生一定作用的东西”，同时意识到人类的共性，那么就会发现它其实归根结底还是物件的一种属性。
But in fact if you narrow the definition of beauty to something that works a certain way on humans, and you observe how much humans have in common, it turns out to be a property of objects after all.
温室气体排放不会像有毒化学物质那样对人、湖泊、森林产生直接明显的毒害作用。
Greenhouse emissions do not poison people, or lakes or woods, in the direct or obvious way that noxious chemicals do.
这个过程很容易对其他市场产生副作用。
This process could easily have adverse effects on other markets.
我们现在意识到了这一现象对个体间遗传差异所产生的巨大作用。
We now appreciate the immense contribution of this phenomenon to genetic differences between individuals.
额外进程就是对向用户交付价值不会产生作用的多余进程。
Extra processes are additional processes that do not help in delivering value to the customer.
几个国家的中央银行这个星期联手降息，但是似乎对投资者信心产生的作用甚微或者没有作用。
This week's coordinated interest rate cuts by several nations' central Banks appear to have had little or no effect on investors' confidence.
虽然我努力减少讲话的时间，但仍认为一个恰当的故事对于鼓励和增加学生对你所教学科的兴趣可以产生奇妙的作用。
Although I strive to minimize talking, I still believe that an appropriately timed story can work wonders in encouraging and increasing interest in your subject.
这种方法产生的副作用可能会更少，并为对常规治疗没有反应的患者提供一个新的救治途径。
This approach could lead to fewer side effects and provide a lifeline for patients who have stopped responding to conventional treatments.
评论家对计划能否对经济产生刺激作用表示怀疑：从借贷者那里增加的现金流转，会在持有抵押贷款的投资者那里付出代价。
Critics question the programme's potential to stimulate the economy, when the increased cashflow of borrowers will come at the expense of the investors who own the mortgages.
研究表明，高水平的铁含量对心脏和动脉产生有害作用，其中对有高水平铁储存含量超过20岁的男性有更高的心血管疾病患病率。
Studies have shown that high levels of iron can be harmful to the heart and arteries. Men, over age 20, who have higher levels of stored iron had higher levels of cardiovascular disease.
盲板阀不得承受管道热胀冷缩或其他原因发生的外力对其产生推拉、扭曲作用。
The valve can not bear the push, pull and torsion action generated by the heat-expansion and cold-contraction of pipe or other reason.
现在调查人员说太阳和月亮的对圣安德列亚斯断层的作用力刺激了地底，产生震动。
Now researchers say the tug of the sun and moon on the San Andreas Fault stimulates tremors deep underground.
找出答案 ：我们都听说锻炼对我们有益，可准确地说，到底锻炼对身体产生什么样的作用呢？
WORK IT OUT: We've all heard it's good for us, but what exactly does exercise do for the body?
用过的咖啡渣，通过适量地在土壤中加入氮来对花园产生好的作用。
Used coffee grounds, in moderation, can do wonders for the garden by adding nitrogen to the soil.
我曾经治疗过顽固的患者、也有些会有自残行为，甚至是对他们的治疗者产生了强烈的反移情作用。
I have also cared for patients who were stubborn, used self-sabotaging behaviors, and had triggered strong countertransference feelings in their clinicians.
个人来说，音乐对我的人生，产生了重大的影响，我决定对它为其他人带来的作用，进行深入研究。
Having been affected personally so much by music and how music has shaped my life I am driven to deeply explore with that impact with other people.
它也对激励黑人产生了模范作用。
东盟组织在这次的泰柬冲突中未能履行自己最基础的职能，已经令人对其实际作用产生严重质疑。
ASEAN's failure to perform this most basic function in the Thai-Cambodian case has raised serious questions about what the organisation actually does.
令非洲代表团感受深刻的是印度小农对政策产生的自下而上的指导和影响作用，这使他们看到了他们自己国家存在的巨大的可能性。
The African delegation came away impressed that Indian small farmers had guided and influenced policy from the bottom up, and it opened their eyes to the enormous possibilities in their own countries.
如果你不确定什么是“顺势疗法药物”，去“怎样产生作用”页面看看就能增加你对这种药物的了解。这种药物还是保留了传统。
If you are unsure about what a homeopathic medicine is, read our How it Works page, to broaden your understanding of this traditional practice of medicine.
如果我没有改动这个部门的名称，我仍然可以干同样的事情，却可以避免产生对我不利的副作用。
If I hadn't changed its name, I could have done all the same things without the adverse fallout.
如果我没有改动这个部门的名称，我仍然可以干同样的事情，却可以避免产生对我不利的副作用。
If I hadn't changed its name, I could have done all the same things without the adverse fallout.
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