In the majority of cases, there's no clear cause.

在大多数情况下，卵巢早衰没有明确的病因。

In the majority of cases, the underlying cause of stable angina is atherosclerosis of one or more the coronary arteries—arteries supplying blood to the heart muscles.

大多数情况下，稳定型心绞痛的根本原因是一至多个冠状动脉（供应心肌的动脉）发生粥样硬化。

And those we do not clarify as cancer, because they really don't pose a risk for death. In the majority of cases, they could be surgically removed.

而那些我们没有明确定义为癌症的，因为它们真的不构成死亡风险。在大多数情况下，它们可以通过手术切除。

I am induced to think that an early settlement of the question—an immediate coming to the point—which might be called too early in the majority of cases, would be a right and considerate tenderness here.

我不由得认为，早日解决问题——立即切入正题——这在大多数情况下可能被称为过早，在这里将是一种正确和体贴的温柔。