challenges
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In the mouse model, vaccination not only protected against the disease caused by the virus but also preserved the animals' ability to respond to future immune challenges.
From Science Daily ● Nov. 13, 2026
His own career reflects some of those challenges.
From BBC ● Nov. 13, 2026
To calm his nerves and perhaps seek his own miracle for the challenges ahead, the New York City native found solace by doing one simple thing — he prayed.
From Los Angeles Times ● Nov. 13, 2026
“Now is the time for society to begin to consider how to address these potential challenges – while AI adoption is in its relatively early stages,” he says.
From The Wall Street Journal ● Nov. 13, 2026
There are more life-and-death challenges we have to face.
From "Dry" by Neal Shusterman and Jarrod Shusterman
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