Two hundred years seems like the blink of an eye in the history of Chinese civilization.

二百年时间在中国文明史上只不过是一瞬间。

《新英汉大辞典》

And they disappear in the blink of an eye.

它们在眨眼间就会消失。

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"In the blink of an eye, the gloom and doom and pessimism has dissipated," Lieberman said.

利伯曼说：“转眼间，阴郁、厄运和厌世的情绪都烟消云散了。”

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"In the blink of an eye, the gloom and doom and pessimism has dissipated, " Lieberman said.

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As many people have experienced, life can change in the blink of an eye.

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In that context, a difference in the blink of an eye is no surprise at all.

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