They did hunt and they also raised cereal crops and kept sheep, but we don't know why so many of the paintings are of hunting scenes.
他们确实狩猎，也会种植粮食作物、饲养绵羊，但我们不知道为什么有这么多画与狩猎相关。
In the face of this accumulated wisdom, the question is why so many educators decided that it is acceptable to reduce or eliminate recess.
面对这些积累起来的智慧，问题是为什么这么多的教育工作者认为减少或取消课间休息是可以接受的。
Major question in the archaeology of the southwestern region of the United States is why so many impressive settlements, and even entire regions, were abandoned in prehistoric times.
美国西南地区考古学的主要问题是：为什么这么多不俗的定居点，甚至整个西南地区，都在史前时代被遗弃了呢？
A major question in the archaeology of the southwestern region of the United States is why so many impressive settlements, and even entire regions, were abandoned in prehistoric times.
美国西南地区考古的一个主要问题是，为什么这么多令人印象深刻的定居点，甚至整个地区，在史前时代就被废弃了。
That's why so many people avoid their work until the last minute.
这就是为什么很多人不到最后一刻也不想工作。
That may be one reason why so many people find relief in swimming when life's seas get rough.
这也许就是为什么当生活的海洋变得波涛汹涌时，那么多人在游泳中找到了解脱。
That may be one reason why so many people find relief in swimming when life seized get rough.
这也许就是为什么当生活变得艰难时，很多人在游泳中找到了解脱。
Since cave dwellers normally lived close to entrances, there must have been some reason why so many generations of Lascaux cave dwellers hid their art.
鉴于穴居人一般都居住在洞口附近，因此，拉斯科岩洞许多代穴居者隐藏他们的艺术作品，其中必定存在某些原因。
Perhaps the reason why so many universities offer their students so little is they know studying at a top university remains a brilliant investment even if you don't learn anything.
也许这么多大学给学生提供的服务太少的原因是：他们知道，即使什么也学不到，在顶尖大学学习仍然是一项明智的投资。
花粉粒:为何这么多？
First of all, you may be wondering why so many parentheses were used.
首先，您可能会奇怪为什么此处使用了这么多的括号。
Have you ever wondered why so many girls have crushes on their teachers?
你是否曾经疑惑为什么那么多的女生迷恋她们的老师呢？
Many newspapers questioned why so many children died when schools collapsed.
虽然已有众多报刊质疑过为何会有这么多孩子死于校舍倒塌。
Perhaps that's why so many writers wrote with a glass of whisky at their side.
也许这也就是为什么那么多的作家在写作时身旁总会放上一杯威士忌的原因吧。
That's why so many successful startups make something the founders needed.
很多成功的企业都是靠做一些其创建者需要的东西而起家的，这也是同样的道理。
Blogging really is fun and that's probably why so many people are getting into it.
写博真的很有趣，也许这也是为什么那么多人喜欢写博的原因。
That’s why so many of these posts end in a question mark, not an exclamation point.
这也是为什么大多数文章的结尾都是问号而非感叹号。
We must ask why so many thoroughly regulated and supervised institutions got into trouble.
我们必须弄清为什么这么多受到充分监管和监督的机构出了问题。
I think that's a big reason why so many people (and especially entrepreneurs) burn out so quickly.
这就是为什么有如此多的人(特别是企业家)这么快就破产的一个很重要的原因。
This was, in fact, why so many of the projects did not have enough of their framework implemented.
实际上，为什么这么多项目没有足够的架构被执行。
In the museum I learned why so many regard Khun Sa as a freedom fighter rather than an opium warlord.
在这间博物馆里，我得知为什么有这么许多人把坤沙奉为自由战士而不是大毒枭。
I suspect the paradox of choice also explains why so many people are disappointed with retirement.
我怀疑选择的矛盾也解释了为什么这么多人会对退休失望。
This is one of the reasons why so many spiritual entrepreneurs are worse off than starving artists.
这是为什么许多精神企业家比精神匮乏的艺人还差的众多原因之一。
In an interview, he admitted that he didn't understand why so many teenage girls found him attractive.
他在日前的一次访谈中坦言不明白为什么那么多少女觉得他迷人。
The research could explain why so many couples with no apparent reproductive problems are unable to conceive.
这一研究结果可以解释为什么那么多无明显生育问题的夫妇无法怀孕。
It is not hard to see why so many Europeans chose to boycott these elections. But they may come to regret that choice.
由此不难看出为何那么多的欧洲人选择抵制这些选举，不过，他们会最终意识到这也许并非明智之选。
The research, reported in the journal Nature Genetics, could also help explain why so many diets are doomed to failure.
《自然遗传学》杂志上报道的这项研究可能还有助于解释如此多节食者注定失败的原因。
And that may explain why so many hedge-fund managers get rich, and why their clients are much less likely to do so.
这也许能够解释为什么许多对冲基金经理能赚到盆满钵满，他们的客户却不能。
And that may explain why so many hedge-fund managers get rich, and why their clients are much less likely to do so.
这也许能够解释为什么许多对冲基金经理能赚到盆满钵满，他们的客户却不能。
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