causal link/relationship between A and B
There is a causal link between smoking and lung cancer.
吸烟与肺癌之间存在因果联系。
属于、关于或成为某事物的原因；引起的。；原因的；表示原因或理由的
involving or constituting a cause; causing
属于、关于或成为某事物的原因；引起的。
Of, relating to, or being a cause of something; causing.
The study found a causal link between smoking and lung cancer.
该研究发现吸烟与肺癌之间存在因果关系。
用法提示：形容词，修饰'link'，表示‘因果关系的’
Researchers are still trying to establish a causal relationship.
研究人员仍在试图建立因果关系。
用法提示：形容词，修饰'relationship'，表示‘因果的’
It's hard to prove a causal connection without more evidence.
没有更多证据很难证明因果关系。
用法提示：形容词，修饰'connection'，表示‘因果的’
There is a causal link between smoking and lung cancer.
吸烟与肺癌之间存在因果联系。
注意causal factor常用搭配介词in
Stress is a causal factor in many diseases.
压力是许多疾病的致病因素。
causal作名词时指表示原因的连词，多见于语言学语境。
In English, 'because' is a causal.
在英语中，'because'是一个表示原因的连词。
causative更正式，常用于语言学或科学语境；causal更通用。
instrumental强调工具性或辅助性作用，不如causal直接表示原因。
responsible常用于指人或因素，带有责任含义；causal更中性。
grammar · medium
易错句子The casual relationship between smoking and lung cancer is well known.
正确表达The causal relationship between smoking and lung cancer is well known.
混淆了形近词'causal'（因果的）和'casual'（随意的），导致语义错误。
grammar · medium
易错句子The causal of the accident was reckless driving.
正确表达The cause of the accident was reckless driving.
将形容词'causal'误用作名词，正确名词应为'cause'。
与'因果的'相反，表示不具有因果关系或不是原因的。
causal 意为“因果关系的”；casual 意为“随意的”或“偶然的”，拼写相似但意义不同。
causal 泛指“原因的”或“因果关系的”；causative 特指语言学中的“使役结构”或表示引起某动作的动词。
因果关系
There is a causal relationship between smoking and lung cancer.
吸烟与肺癌之间存在因果关系。
因果联系
The study found a direct causal link between diet and health.
该研究发现了饮食与健康之间的直接因果联系。
原因因素
Stress is a major causal factor in many diseases.
压力是许多疾病的主要原因因素。
因果效应
The experiment measured the causal effect of the new drug.
实验测量了这种新药的因果效应。
因果关系
There is no proven causal connection between the two events.
这两件事之间没有证实的因果关系。
caus- (cause) + -al (adjective suffix)
caus- (root) + -e
caus- + -ation (noun suffix)
caus- + -ality (noun suffix)
因果关系
The study found a direct causal relationship between smoking and lung cancer.
这项研究发现吸烟与肺癌之间存在直接的因果关系。
Dictionary facts from ECDICT, WIKTIONARY.