uninvestigated

例句：

1. 1. The research team has not yet investigated the cause of the disease.
   研究小组尚未调查出该疾病的起因。
2. 2. The uninvestigated issue is still a mystery to us.
   这个未被调查的问题对我们来说仍然是个谜。
3. 3. The company has not yet invested in this new technology, so it remains uninvestigated.
   该公司尚未投资这项新技术，因此它仍处于未被调查状态。