uncertainty

基本商品的短缺使我们的生活充满了不确定性。

Shortages of basic goods have made our lives full of ___uncertainty.

关于他是否会参加活动，存在很多不确定性。

There was a lot of ___uncertainty about whether or not he would attend the event.

未来几天的天气情况还存在很大的不确定性。

There is a lot of ___uncertainty about the weather conditions in the coming days.