全部

1·Rawlins stresses that it is impossible to prove a causal link between the drug and the deaths.

罗林斯强调说证实毒品与死亡之间的因果关系是不可能的。《柯林斯英汉双解大词典》

2·At best there is a weak statistical association and not a causal link between DNA and intelligence.

DNA 和智力之间最多只存在着微弱的统计关联，而不是因果关系。

3·Glass cautions that most studies don't necessarily prove a causal link between greenness and health, but they're nonetheless helping spur action.

格拉斯提醒说，大多数研究并不一定能证明绿色与健康之间的因果关系，但它们仍然有助于激励人们采取行动。

4·However, they stressed that they could not find a causal link.

但他们无法找出具体的联系。

5·However, they are consistent with other evidence to suggest a possible causal link.

不过，研究结果与其他能证明这种因果关系可能存在的证据具有一致性。

6·One of the key advances in recent years has been the demonstration of precisely this causal link.

近年来一项关键的进步恰恰在于示范这种因果关系。

7·The other important detail that needs to be said is that the researchers are not positing a causal link.

另外一个值得一提的细节是，研究都们并没有把两者归结为因果关系。

8·Previous researchers have struggled to establish a causal link between exam results and time spent studying.

以前的研究人员难以在考试成绩和学习时间之间建立一种因果关系。

9·The researchers add there is no evidence of a causal link between sleep disruption and any of these conditions.

不过研究人员称还没有证据能够证明睡眠扰乱和这些病理情况之间存在因果联系。

10·More robust evidence is needed to demonstrate a causal link between aid operations and country level economic performance.

需要更多有力的证据来表明援助活动和国家层面的经济表现之间的因果联系。