The doctors couldn't understand why farmers would have lead in their blood, until Hao's mother, Wang Shuhong, told them about the factory.
直到周浩的母亲王淑冬告诉医生有关工厂的情况，医生们才理解为何农民的血液里会有铅。
If ordinary people already know that their soldiers are dying in Afghanistan and that the fight is hard, why should a blizzard of details lead to a sudden shift in public opinion?
如果美国民众知道他们的士兵在阿富汗死亡，而且获胜的机会渺小，那为什么还会让有这么多细节的报道分散他们对此事件的看法。
Many have asked why the Windows Installer team does not support managed Custom Actions. Rob Mensching (Dev Lead on WiX) explains.
很多开发人员都询问WindowsInstaller团队为什么不支持托管自定义操作。
And that is why the rest of the world still looks to us to lead.
这也是为什么世界上其他国家依然期待美国发挥领导作用的原因。
The research explains why social contact has health benefits: many of the hormones involved in bonding and helping behavior lead to reductions in stress and anxiety.
这一研究解释了为什么社交有益健康：许多联络感情和帮助他人的行为所调动的激素有助于减轻压力和焦虑。
So why does America lead in the fast-growing high-tech sectors, and why does Europe hold its own only in more mature industries?
那么为什么美国在快速增长的高科技领域领头，而欧洲仅守在它的更加成熟的工业中呢？
Why your organisation would purposefully defy the family's wishes, knowing full well that it will lead to yet more anguish, is beyond me.
我更想不明白，为什么你们明知公开照片会使其家人更加痛苦，还决意要违背其家人的意愿呢？
There are good reasons why development teams use some of these practices, but they can lead to the use of anti-patterns.
开发团队使用其中一些实践是有其理由的，但是这些实践会造成反模式。
In “The Jane Austen Book Club, ” the male lead explained why “Northanger Abbey” (Austen’s least-read, least-known novel) was his favorite: “I just love how it’s all about reading novels.
在《简·奥斯汀书友会》中，男主角解释了为什么《诺桑觉寺》（奥斯汀鲜有人读，最不为人知的小说）是他的最爱：“我就是喜欢这本小说读起来的感觉。
Reading a blog or following someone else's lead without knowing why they are making the trade is a recipe for failure.
在不清楚别人交易的原因而去阅读其博客或胡乱跟风，亦是交易失败的其中一个原因。
The psychological effect of a lead was undoubtedly why teams wanted to avoid falling behind at all costs, and why they generally played it safe by making sure their defence was solid.
取得领先的心理优势，无疑是球队为什么要不惜一切代价避免落后和谨慎地采取严密防守的原因。
Why does the act of falling in love - or at least thinking about love - lead to such a spur of creative productivity?
为什么堕入爱河—或者仅仅是想到爱情—能激发创造力？
And that's why the G20 will take the lead in building a new approach to cooperation.
因此，G20将带头制定一种新的合作方法。
The rapid spread of the term agile, as well as the fact that the originators of the Agile Manifesto did not plan to lead a cultural change, can explain why no follow-up meetings took place, but one
敏捷一词的迅速传播，以及敏捷宣言发起者没有打算领导文化变革的事实，可以解释为何没有举行后续会议，但是
Such knowledge can lead to excessive risk-taking and is one reason why Switzerland’s central bank has said the country’s two mega-banks may have to be cut down to size.
这样的认识会导致额外的风险并且也是为什么瑞士中央银行说其国家的两个大银行必须被削减规模的原因。
"Basically, the factors that lead to why diseases stick around, or come back, is because sometimes the germs change a little," Weinberg said.
“基本上，这些疾病之所以会一直存在或卷土重来，在于细菌有时候会产生一些变化。”维恩·伯格(Weinberg)说。
This might lead us to lose hope when we donot understand why things don't work out the way we expect.
这可能导致我们失去希望，不明白为什么事情不按我们期待的方式。
Here are the top 3 reasons why taking a vacation helps you lead a more productive life.
以下三个原因可以回答会什么度假会让你的生活更充实？
No country has a bigger stake than we do in strengthening international institutions-which is why we pushed for their creation in the first place, and why we need to take the lead in improving them.
加强国际机构对我国的利益是最大的——这也是为何我们在最初努力争取设立这些机构的原因，也是为何我们需要带头改善它们的原因。
Sometimes, if no ALT-place properties, will lead the user does not understand what the picture represents and why on this page.
有时，如果没有ALT-代替属性，会导致用户不明白该图片代表着什么，为什么放在这个网页。
Today we tell you about some new understanding of why cutting the main branch of a plant or tree can lead to better development.
今天我们告诉你为什么修剪植物和树木的大支能够使之生长的更好的一些新的理解。
A new US study found why a very small proportion of arterial plaques become deadly and lead to heart attack or stroke and why the vast majority others stay benign and apparently do no harm.
美国一项新的研究已发现占小比例的动脉斑块致命并引起心脏病发作或中风的原因，以及大多数其它动脉斑块是良性的、无明显危害的原因。
But why would the map lead us here, then take us somewhere else?
为什么地图带我们到这里现在却又指引我们去其他的地方？
Table tennis and martial arts to both the Chinese people of good combination, quite creative, but why does the male lead so as vampire?
把功夫和乒乓球这两项中国人的擅长项结合在一起，挺有创意的，但为什么男主角那么像吸血鬼呢？
Table tennis and martial arts to both the Chinese people of good combination, quite creative, but why does the male lead so as vampire?
把功夫和乒乓球这两项中国人的擅长项结合在一起，挺有创意的，但为什么男主角那么像吸血鬼呢？
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