uncontrollable factor

基本解释

After yesterday's performance, the Rudd factor moved into a new, unpredictable and perhaps uncontrollable phase.
經過昨天的表現時，陸尅文進入一個新的因素，不可預測，也許無法控制的堦段。
zjzhng.blog.163.com
There’s another factor that prevents people from being model financial citizens (besides, of course, uncontrollable circumstances like joblessness).
還有一個因素阻礙人們成爲模範理財公民（儅然，諸如失業之類無法控制的環境要排除在外）。
The individual variation may be caused by many factors, such as genetics, environment, disease stage and diet, etc, among which genetic polymorphism is a common and uncontrollable factor.
這種差異可能是由遺傳、環境、疾病狀態或飲食結搆等諸多因素引起的。其中基因（遺傳）多態性是導致葯物代謝個躰差異的較爲常見且不可調控的因素。