They learn new causal relationships from just a few examples.

能通过几个例子 就掌握新的因果关系。

Of course these findings are associative and not necessarily causal.

当然这些发现之间并没有联系而且不存在因果必然关系。

Even then, to reiterate, there are no causal links, only association.

即使这样，我还是要重申一下，两者间没有因果关系，只是有关联。

A small number of randomised experimental studies are chipping away at the causal question.

少数随机实验研究正在逐步解决因果问题。

There's no definitive causal link here. But the researchers still have a few ideas.

两者并没有明确的因果关系。但研究人员有一些想法。

We can't do the drug trials, but we're still very interested in causal facts.

我们不能进行药物试验，但我们仍然对因果关系很感兴趣。

In conclusion, we can see that there is no causal relationship between China’s grand history and its future.

总结，中国伟大的辉煌史与未来没有关系。

The agency said, " a causal link with the vaccine is not proven, but is possible, "

该机构表示，" 它与疫苗之间的因果关系尚未得到证实，但是也有可能。"

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

DNA 和智力之间充其量只是一种微弱的统计数据上的关联，而不是因果关系。

The logic seems plausible, but is there any causal relationship between historical grandeur and China’s future greatness?

逻辑看起来很合理，但是，曾经强大的中国与未来的强盛有直接的关系吗？