他们中的两个人死因明显不同。用英语怎么说？

他们中的两个人死因明显不同。

Two of them died from apparently unrelated causes.

two

n. 两个，两个东西，两点钟，一对；adj. 两个的，我

例句
He has been absent from his desk for two weeks...
他已经有两个星期没有坐在办公桌前了。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

them

pron. 他们，她们，它们；

例句
I take care of them to the best of my abilities...
我尽我所能地照顾他们。

died

v. 死亡，枯萎（ die的过去式和过去分词 ），死时处于（某种状态）或具有（某种身份）；adj. 死亡的，消逝的；

例句
Both of them died in abject poverty...
他们两人都于穷困潦倒中死去。

from

prep. （表示时间）从…，（表示原因）因为，（表示来源）来自…，（表示分离）与…分离[隔开]；

例句
...an abortive attempt to prevent the current President from taking office.
企图阻止现任总统连任的失败尝试

apparently

adv. 据说，似乎，看来，显然；

例句
He was apparently quite converted from his anarchist views.
显然他基本上完全放弃无政府主义的观点了。

unrelated

adj. 无关的，不相关的，无关联的，无亲戚关系的；

例句
Mr. Berry said the timing was a coincidence and that his decision was unrelated to Mr. Roman's departure...
贝里先生说这是时间上的巧合，他的决定与罗曼先生的离开没有关系。

causes

n. 原因( cause的名词复数 )，动机，（某种行为、感情等的）理由，缘故；

例句
Allergy to cats is one of the commonest causes of asthma.
对猫类过敏是哮喘病发作最常见的诱因之一。