n. being unsettled or in doubt or dependent on chance
n. 不确定, 不可靠, 不确定的事物
[化] 不确定度
1. The uncertainty of the weather makes it hard to plan our picnic.
天气的不确定性使我们很难计划野餐。
2. Many people feel uncertainty about their future careers.
很多人对自己的未来职业感到不确定。
3. The uncertainty in the market can affect business decisions.
市场的不确定性可能会影响商业决策。