independent random event

例句：

1. 1. The outcome of this independentrandom event is still unknown.
   这个独立随机事件的结果是未知的。
2. 2. Due to the randomness of events, it's hardto predict what will happen next.
   由于事件的随机性，很难预测接下来会发生什么。
3. 3. Thisevent was considered an independent random occurrence.
   这次事件被认为是一个独立的随机事件。