对于一只树蛙通常能活多久，我们确实知道得不多，可能只有几年，但没有证据表明它能长寿。
We really don't know a lot about how long a wood frog normally lives, probably just a few years but there is no evidence its longevity.
人们常常假设，但没有证据证明，在所谓的“大迁移”中，大多数移民来自农村地区，这是由两个同时发生的因素推动的。
It has been frequently assumed, but not proved, that the majority of the migrants in what has come to be called the Great Migration came from rural areas and were motivated by two concurrent factors.
但没有证据表明脊髓损伤。
但没有证据支持这一点。
第二个是中国正以低价收购欧洲的珠宝，但没有证据。
The second fear is that the Chinese are buying European jewels on the cheap. But there's no evidence for that.
这套处理工序成本很高，但没有证据表明这个方法是没有效果的。
All this processing is expensive, but there is no reason why it should not work.
他说，虚幻的希望被唤起，但没有证据显示混合胚胎能产生所说的益处。
He said 'false hopes' were being raised when there was no evidence that so-called admixed embryo research could deliver the promised benefits.
但没有证据证明Cunningham或其他教练知道这类药物的使用。
There is no evidence that Cunningham or other coaches were aware of the drug use.
但没有证据表明设立内部审计部门对审计费用存在显著影响。
But there is no evidence shows that the establishment of internal audit departments correlates with audit fee.
在这里，他可能构成圣乐，但没有证据表明这个罗马剧目生存。
Here he may have composed oratorios, but no evidence of this Roman repertoire survives.
绝经后肥胖妇女危险性增加，但没有证据证明改变饮食会降低危险。
Obese postmenopausal women are at increased risk, but there is no evidence that dietary modification decreases risk.
结果是，尽管哈欠的传染性在人类中很常见，但没有证据显示乌龟打哈欠会传染。
The result is, her tortoises showed no evidence of contagious yawning, though it is common in humans.
在你住的小村镇，发生了一起谋杀案，有下面四个嫌疑犯，但没有证据指定哪个是凶手。
There was a murder in your town. Four suspects were arrested. Until now there is still no evidence to settle the case.
Brim河很深很宽，所以古代Palea人只能坐船穿过它，但没有证据表明Palea人拥有船只。
The Brim River is very deep and broad, and so the ancient Paleans could only have crossed it by boat, but there is no evidence that the Paleans had boats.
尽管如此，磁极转变是一个令人关注的问题，但没有证据显示已提交，它是定于2012年。
Nonetheless, a magnetic pole shift is a matter of concern, but no evidence has been presented that it is scheduled for 2012.
此外，法官们还称，自由人民联盟的代表在截止日期过后本该出现在选举办公室里，但没有证据显示他们曾在过。
Moreover, said the judges, PdL representatives were required to have been at the electoral office when the deadline expired, and there was no proof they were.
流感疫苗在降低流感症状与减少请假天数上有一些效果，但没有证据显示流感疫苗影响并发症，如：肺炎或传染。
Influenza vaccines have a modest effect in reducing influenza symptoms and working days lost. There is no evidence that they affect complications, such as pneumonia, or transmission.
最后，尽管人们常常听说阿尔伯特·爱因斯坦曾引用10%神话解释他自己的天才，但没有证据表明，他确实曾说过这样的话。
Finally, although one frequently hears claims that Albert Einstein once explained his own brilliance by reference to 10% myth, there's no evidence that he ever uttered such a statement.
无论如何，iPhone4天线问题的结论是：它存在一个弱点，但没有证据说明这个问题实际上很严重，更不用说灾难性了。
Anyway, bottom line on the iPhone 4 antenna: it has a weak spot but there's no evidence that it's a significant, let alone catastrophic, problem in practice.
它与大猩猩携带的SIV有密切关联，但没有证据表明它是HIV - 1病毒或黑猩猩所携带SIV病毒的变异病毒。
It is with the gorillas carry SIV have closely related, but there is no evidence that it is the HIV-1 virus or chimpanzee SIV virus carried by the mutant virus.
实际上，Kokott辩驳称，虽然有非常丰富的统计数据，但没有证据证明，女性从先天上或生理上导致她们比男性长寿。
Indeed, Kokott argued that despite the wealth of statistics, there is nothing innate and biological about women that makes them live longer.
人们都知道人均寿命在增长，但没有证据证明延迟退休年龄将适合那些准备鼓励上了年纪的劳动者继续留在工作岗位上的雇主。
We know the life expectation is rising but see no evidence that a higher age of retirement would be matched by employers developing workplaces which encourage older workers to remain at work.
尽管所谓的保健茶成了时尚，但并没有证据表明这种茶更有益于健康。
Despite the vogue for so-called health teas, there is no evidence that they are any healthier.
警察询问了司机，但没有得到继续调查的证据。
The police interviewed the driver, but had no evidence to go on.
我的意思是，你可能会认为这是为了保护或其他什么，但目前还没有发现任何暴力袭击的证据表明这种危险。
I mean, you might think it was for protection or something, but there has been no evidence found yet of any violent attack that would indicate that kind of danger.
这是对显而易见的事实的一瞥，但并没有任何证据能有力支撑遗传或环境的论点。
It is a glimpse of the blindingly obvious—and there's nothing to back strongly either a hereditary or environmental argument.
虽然没有这样的证据，但赌场的营销部门继续用邮件对他胡来。
Although no such evidence was presented, the casino's marketing department continued to pepper him with mailings.
虽然没有这样的证据，但赌场的营销部门继续用邮件对他胡来。
Although no such evidence was presented, the casino's marketing department continued to pepper him with mailings.
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