It was the chance of a lifetime.

这是千载难逢的机会。

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If you're looking for the adventure of a lifetime, how about going bungee jumping off a helicopter into the crater of a live volcano?

如果你正在寻找一次一生难忘的冒险经历，那么来一场蹦极，从直升机上跳到活火山口怎么样？

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For him, coming to America to attend George Washington University was the chance of a lifetime.

VOA: special.2009.01.28

Each of these suffers a sequence of shocks that cumulate over your lifetime, so inequality gets worse and worse as people age.

这些东西随着你的生命,不断经受冲击，所以随着人长大，不平等就越来越严重。

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And he says, " "I'm going to pack a lifetime of enjoyment into those two minutes."

而他说，“我要把一生中的享乐都打包进这两分钟里“

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"This is the opportunity of a lifetime for me, " he told the club's website.

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Instead, they are seeking to reap the rewards of a lifetime of deferred gratification.

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And who knows, it just might turn out to be the opportunity of a lifetime.

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