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。
2. "Most of these studies don't allow for causal inferences," he said. 他表示：“这些研究中的大多数都不考虑因果推理。”
3. Religious and occult predictions, however, boast no causal logic whatsoever. 但是，宗教和神秘的预言没有任何因果逻辑。
4. 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。
5. As a person becomes more sophisticated, his conceptions of supernatural forces and causal relationships may change. 当一个人变得更加成熟，他对超自然力量和因果关系的概念可能会改变。
