accidental factors

• 偶然因素

accidental factors的用法和样例：

例句

1. It seems that pollination also involves certain chance factors.
   似乎传粉还包含有某种偶然因素。
2. Most importantly, observational studies cannot distinguish indicators of risk from causal factors.
   最为重要的是观察性研究无法区分风险指标和偶然因素。