For three-year-olds, for reasons that are still in need of clarification, no improvement—rather a slight drop in performance resulted from the change.
对于三岁的孩子来说，由于一些原因，他们的成绩并没有得到改善，只是因为改变而略有下降。
You probably like that character (人物) for reasons that are all your own.
你可能会出于自己的原因喜欢那个人物。
Zebras' thin coats make them more vulnerable than long-haired animals to biting flies that carry disease, but the coats stripes prevent flies from landing on them, for reasons that scientists are still studying.
斑马很薄的皮毛使它们比长毛动物更容易受到携带疾病的苍蝇的叮咬，但是斑马身上的条纹可以防止苍蝇落在它们身上，科学家仍在研究其原因。
For reasons that aren't yet well understood, cloned animals often abort spontaneously or are born with defects.
由于无法搞懂的原因，克隆动物通常会自行流产，或者具有天生缺陷。
These scientists, for reasons that are mostly arbitrary, either just missed getting a research grant or just barely made it.
由于一些原因，这些科学家要么是错失了研究经费，要么只是勉强成功了，而这其中的原因大多是随机的。
For centuries, explorers have risked their lives venturing into the unknown for reasons that were to varying degrees economic and nationalistic.
几个世纪以来，探险家们冒着生命危险探索未知的世界，其原因在不同程度上与经济和民族主义有关。
Companies' hopes that promotions might have a positive aftereffect have not been borne out for reasons that researchers have been able to identify.
企业希望促销活动可能产生积极的后果，但由于一些研究人员能够确定的原因，这种希望并没有得到证实。
For reasons that I will shortly explain, name this directory wasp/.
将该目录命名为 wasp/，我随后会解释这样做的原因。
This success was partly for reasons that have little to do with Amazonas.
这次成功的部分原因其实是与亚马逊州没多少关系的。
In 2004, colleagues said, he lost that job for reasons that were not clear.
他的同事说，2004年他失去了工作，原因不明。
This neutron star for reasons that is not well understood is blinking at us.
这个中子星，由于它不是很好理解，正向我们闪耀。
And entire hives of bees have been going down for reasons that are still unclear.
而整窝的蜜蜂死亡的原因尚不清楚。
We realize we could die at any time for reasons that we cannot necessarily predict or control.
我们随时都会死于我们不能预测和控制的种种原因。
The number of children found to have autism has been increasing for reasons that remain mysterious.
至于为什么已发现患有自闭症的儿童数量与日俱增，至今仍是一个谜。
Sales of Better Bran have declined in recent years, for reasons that management has now identified.
Better Bran的销量在最近几年下降了，领导层现已查明了原因。
But then, in Week Five, for reasons that were entirely extracurricular, semiotics began making sense.
不过，到了第五个星期，出于一些完全与课堂无关的原因，符号学开始变得有些道理了。
For reasons that are not entirely understood, many marine organisms bioluminesce only when disturbed.
出于一些还没有被完全理解的原因，许多水生生物只在被打扰的时候才会发生生物荧光现象。
"For reasons that no-one yet understands, nature ruled out antimatter," CERN physicist Jeffrey Hangst said.
“自然界中没有反物质的存在，没人还没有人可以理解这其中的原因。”CERN的物理学家杰弗里·昂斯特说。
During the PETM, for reasons that are still unknown, the amount of carbon in Earth's atmosphere rose rapidly.
由于种种原因，在古新世-始新世极热时期地球大气中碳上升的量。
Unfortunately, although it compiles, this approach doesn't work either, for reasons that are more subtle.
不幸的是，虽然这样可以通过编译，但是这种方法也不管用，其原因较为微妙。
GERMANY has a complicated relationship with military force, for reasons that are more than understandable.
德国和军事有着错综复杂的关系，其原因让人迷惑不已。
For reasons that are still under study, cholesterol levels are influenced by a number of life-style factors.
尽管原因正在调查当中，但是胆固醇水平与生活方式有密切的联系。
For reasons that are still unclear, one of the hunkiest actors alive decided to sport a never-ending goatee last winter.
还有一些不太清楚的原因，这名现在最像东欧人的演员自去年冬天起就一直蓄着小羊胡子。
For reasons that are so far unexplained, there are many regions where tsetse flies are found, but sleeping sickness is not.
出于迄今未得到解释的原因，在存在采采蝇的许多地区并未发现昏睡病。
For reasons that are outside the scope of this column, the list is maintained as an address book with an E-mail program.
由于那方面的内容已不属于本专栏的范围，所以用电子邮件程序将该列表作为通讯录来维护。
For reasons that will become apparent a little later, I recommend you set up a dedicated PC for developing with this software.
出于一些原因(您稍后将会明了)，建议您为使用此软件进行开发设置一台专用的PC。
The trials so far have shown that, for reasons that remain unclear, some patients appear to benefit more than others from the device.
到目前为止的临床试验表明，出于某种未知的原因一些病人明显感觉通过设备获得的比其他病人多。
In the early 1970s, for reasons that are still ill-understood, productivity growth slowed sharply, pulling down the trend rate of growth.
在70年代早期，因为一些至今仍无法明确的原因，生产率增长大幅下降，使得趋势增长率也随之下降。
Many of us are addicted to coffee for reasons that go beyond aroma and taste, whether we're willing to admit it or not. Consider this
许多人喜欢喝咖啡不是因为迷恋它的香味和口感，不管你是否愿意接受这种说法。其实是
Many of us are addicted to coffee for reasons that go beyond aroma and taste, whether we're willing to admit it or not. Consider this
许多人喜欢喝咖啡不是因为迷恋它的香味和口感，不管你是否愿意接受这种说法。其实是
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