accident cause factor

例句：

1. 1. The sudden drop in oil prices hascaused a series of accidents.
   石油价格的突然下跌导致了一系列的事故。
2. 2. Theinvestigation into the accident revealedseveral factors that contributed to theincident.
   对事故的调查揭示了几个导致该事件的因素。
3. 3. The company'sfailure to follow safety regulations was a significantfactor in the accident.
   公司未能遵守安全规定是事故的一个重大因素。