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。
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.
“下降的原因之一是20世纪80年代的经济形势。”苏塞克斯大学的亚历山大·莫拉迪说。
"One reason for these decreases in height is the economic situation in the 1980s," said Alexander Moradi of the University of Sussex.
游客人数的增加是该市人口从20世纪50年代的17.5万人下降到目前人数的一个关键原因。
The tourist increase is one key reason the city's population is down from 175,000 in the 1950s.
在19世纪90年代，是什么原因使维多利亚人不愿意笑着拍照？
What might have kept the Victorians from smiling for pictures in the 1890s?
肥胖在20世纪80年代开始蔓延，许多人将其归咎于食物份量增加和缺乏运动，但这不可能是全部原因。
The obesity epidemic began in the 1980s, and many people attribute it to increased portion sizes and inactivity, but that can't be everything.
这就是28岁的黛尔·罗德里格斯从英国一路来到加州托伦斯布鲁克代尔南湾的餐厅的原因。
That's what brought Dayle Rodriguez, 28, all the way from England to the dining room of Brookdale South Bay in Torrance, California.
分析师说，墨西哥经济急剧下滑的主要原因是墨西哥经济与美国紧密相连，美国目前正陷入19世纪30年代以来最严重的经济衰退。
Analysts say the main cause of Mexico's nosedive is that the nation's economy is tied strongly to that of the United States, which is mired in the deepest economic downturn since the 1930s.
出于某种难以名状的原因，阿瑟丁梅斯代尔感到孩子助目光落在他身上时，他的手以习惯成自然的姿势，悄悄捂到了心口上。
For some unaccountable reason, as Arthur Dimmesdale felt the child's eyes upon himself, his hand - with that gesture so habitual as to have become involuntary - stole over his heart.
出于某种难以名状的原因，阿瑟·丁梅斯代尔感到孩子助目光落在他身上时，他的手以习惯成自然的姿势，悄悄捂到了心口上。
For some unaccountable reason, as Arthur Dimmesdale felt the child's eyes upon himself, his hand - with that gesture so habitual as to have become involuntary - stole over his heart.
蜂蜜是一种单糖，因而更易被人体吸收，这是国家标准中不允许蜂蜜产品添加糖类和代糖类物质的原因所在。
Honey is a kind of monosaccharide, which is easy for human to absorb. This is the main reason that sugars and artificial sweeteners are forbidden in honey in our country.
原因是因为，正如80年代的流行乐队“赶时髦”一度宣称的，一切事物都是积少成多。
The reason for this is because, as the popular 80's band Depeche Mode once declared, everything counts in large amounts.
出于以下的原因，正在使用或者使用过第四代语言(4gl)的团队也会对egl感兴趣。
Teams that currently use or have used a Fourth Generation Language (4gl) may be interested in EGL for a number of reasons.
这不是我们这一代的装束，但戴旧帽子的原因，可能是我们发现它真的好好看。
It’s something from another generation, but we’re goingback to hats, probably because we realize that it’s actually cute.
价格飞涨的真正原因是拥有住房的那一代享受了最低的利率，然而他们滥用金钱，廉价的购买商品。
Prices soared because the lowest interest rates in a generation made houses, however expensive on paper, cheap to buy.
此外，还有一个更显而易见的原因：59岁的骆家辉是第三代美籍华人。
Then there's an even more obvious reason: the 59-year-old Gary Locke (Luo Jiahui) is a third-generation Chinese-American.
20世纪80年代中期对美国工业衰退的原因作了一次又一次的调查。
The mid-1980s brought one inquiry after another into the causes of America's industrial decline.
另一个原因是，对国内市场的病态的依赖，在1990年代早期，国内销售额仍然占总销售额的一半。
Another was an unhealthy reliance on its home market, which in the early 1990s still accounted for almost half of its sales.
一个最主要的原因就是，贫穷不断影响着一代又一代人。
It is one of the major reasons that poverty is handed down through the generations.
但是，年轻一代人离开乡村地区的一个主要原因，是缺乏工作机会，而不是缺少住房。
But a big reason why young people leave rural areas, for example, is lack of jobs, not lack of housing.
这一特异现象早在1970年代即有论著记叙，然而只是到了现在，科学才开始解说其中原因。
This anomaly was documented in the early 1970s, but only now is science beginning to tell us why.
1970年代通涨失控的原因之一就是中央银行未能认识到石油危机对西方经济生产潜力的巨大冲击。
One reason inflation took off in the 1970s was that central bankers failed to realise that the oil shock had hit Western economies' productive potential.
想想1930年代，40和50年代，那时候的苏联模式，看起来也好像是可行的，就是这个原因。
Remember that in the 1930s, '40s and even' 50s the Soviet model seemed viable, for precisely that reason.
然而蜂群并不像听上去那么快乐，这也是沃代尔先生——这位昆虫学博士和货真价实的蜜蜂大夫——来到此地的原因。
But the bees are not as happy as they sound, which is why Mr Wardell, who has a PhD in entomology and is a DE facto bee doctor, is here.
威利茨先生，1956年出生，过于谨慎的精明回答，但他的观点表明，如果没有其它别的原因，他们必定是冷漠的一代人。
Mr Willetts, born in 1956, is too prudent to answer categorically, but his arguments suggest that if nothing else they are certainly a careless one.
这一问题的部分原因是“婴儿潮”一代认为社交网络并不以他们这个年龄段为导向。
Part of the problem here is that boomers don't think that these social networks are focused on their age group.
部分原因可以归结为“独生子女”一代的出生，这些孩子都被他们的父母惯坏了。
This is partly attributed to the birth of a generation of "only children", who are quite pampered and spoiled by their parents.
另有部分原因则是迫于旅游业的压力，还有就是出于对新一代人需求的考虑。
Partly it's about the pressures of tourism, and partly about the changing of generations.
1990年代日本金融危机之所以旷日持久，原因之一就是财务省和日本央行的前资深员工在这些需要整改的银行任职。
One reason why Japan's banking crisis in the 1990s took so long to fix was because former senior staff from the finance ministry and bank of Japan had moved to the Banks that needed fixing.
1990年代日本金融危机之所以旷日持久，原因之一就是财务省和日本央行的前资深员工在这些需要整改的银行任职。
One reason why Japan's banking crisis in the 1990s took so long to fix was because former senior staff from the finance ministry and bank of Japan had moved to the Banks that needed fixing.
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