Often there is no obvious cause.

哭闹经常无明显原因。

youdao

For some people with epilepsy, there is a more obvious cause.

对某些人来说，与癫痫，有一个较为明显的原因。

youdao

Some low blood heft the case and not obvious cause of disease.

有些低血掂病例并无明显病因。

youdao

The more salient you make the cause of the arousal, the less likely you'll get the effect but you can see even in experiments where the cause of the arousal is somewhat obvious, at least to us, you can still get a misattribution effect.

我们越突现觉醒原因，越不可能获得那个效果,但是，你看到，在实验中,有时性觉醒的原因显而易见，至少对于我们而言，能发现时错觉。

耶鲁公开课 - 心理学导论课程节选

The most obvious cause of the implosion of the Bush presidency is the disaster in Iraq.

ECONOMIST: The American right

The revival of the river is an obvious cause for the new London mayor to take up.

ECONOMIST: The Thames

Police said a post-mortem examination had not found any obvious cause of death and further tests would be held.

BBC: East Ashling death: Victim named as Debbie Levey