The gene is only part of the causation of illness.

基因只是疾病的部分诱因。

《柯林斯英汉双解大词典》

And the causation is a really interesting philosophical issue.

因果是非常有趣的哲学问题。

youdao

Dr Barnard teaches and conducts extensive research into the causation of various diseases.

巴纳德博士对多种疾病病因进行了广泛的研究，并从事相关的教学工作。

youdao

But what he's capturing is the logic, the ultimate causation of our feelings towards our kin.

但他在运用逻辑，我们对亲人有感情的根本原因。

耶鲁公开课 - 心理学导论课程节选

Now, as I said last time, the subject of free will--or free will, determinism, causation and responsibility, this cluster of problems-- is an extremely difficult and complicated physical problem.

正如我上次所说的,自由意志这个主题 或者说自由意志,决定论,因果论,责任,这一堆问题,是极端困难和复杂的物理问题

耶鲁公开课 - 死亡课程节选

It demonstrates quite conclusively the causation connection between in a quantitative fashion.

FORBES: Climategate Killed 'Consensus,' Not Climate Science

Considering all of the evidence, I find that the petitioners have failed to demonstrate that thimerosal-containing vaccines can contribute to the causation of autism.

FORBES: Vaccine Court Ruling: Thimerosal Does Not Cause Autism

Mr Marsh argues that the causation is the other way round.

ECONOMIST: Buttonwood