uncontrollable factor

基本解释

After yesterday's performance, the Rudd factor moved into a new, unpredictable and perhaps uncontrollable phase.
经过昨天的表现时，陆克文进入一个新的因素，不可预测，也许无法控制的阶段。
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There’s another factor that prevents people from being model financial citizens (besides, of course, uncontrollable circumstances like joblessness).
还有一个因素阻碍人们成为模范理财公民（当然，诸如失业之类无法控制的环境要排除在外）。
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.
这种差异可能是由遗传、环境、疾病状态或饮食结构等诸多因素引起的。其中基因（遗传）多态性是导致药物代谢个体差异的较为常见且不可调控的因素。