uncertainties
n.
无把握( uncertainty的名词复数 );
不确定;
变化不定;
无把握、不确定的事物;
例句:
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But the market uncertainties could still rattle economic confidence.
来自VOA
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On the day her son began school, she meditated on the uncertainties of his future.
儿子开始上学的那一天，她就在考虑他未来的种种不确定因素了。
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When the uncertainties become greater than the certainties, we end up in a game of bluff.
情况愈发难以确定，我们最终陷入一个唬人的把戏中。
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One of the uncertainties of military duty is that you never know when you might suddenly get posted away.
任军职不稳定的因素之一是你永远不知道什么时候会突然被派往它处.
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But how does the country deal with huge uncertainties?
来自BBC
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It is an emerging field, the uncertainties are large.
来自BBC