factor
/ˈfæktər/
anything that contributes causally to a result
中文释义:因素;要素
Economic factors played a crucial role in the decision to relocate the factory.
经济因素在搬迁工厂的决定中起了关键作用。
Lack of sleep is a major factor contributing to poor academic performance.
睡眠不足是导致学业成绩不佳的主要因素。