This is a global cooperation challenge the likes of which we have never seen before.

这是我们从未遇到过的全球合作的挑战。

youdao

In this fifth-richest country in the world... there is a new poverty that I have never seen before.

在这个世界第五富裕的国家里，我观察到一种前所未有的‘贫穷’。

youdao

"I certainly have not the talent which some people possess," said Darcy, "of conversing easily with those I have never seen before."

达西说：“我的确不象人家那样有本领，遇到向来不认识的人也能任情谈笑。”

youdao

Jacques Rogge says many Canadians have told him that having the Olympics in Vancouver has united the country like they have never seen before.

VOA: standard.2010.03.01

This would be good luck if you were long and now suddenly you got a huge return that you would not have thought was possible since you've never seen it before.

如果你长期持有这份投资,你就走运了,回报如此之高,你自己都没有料到,可能你也从来没有见过这种情况

耶鲁公开课 - 金融市场课程节选

and because... you know, never before have we seen this level of interconnectedness

这种水平的互联性是我们之前从未想过的，

关于全球化 - SpeakingMax英语口语达人

The idea is to provide new discoveries of products that people have never seen before.

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The Higgs is a fundamentally new type of elementary particle that we have never seen before.

FORBES: If I Want To Look Well-Read And In The Flow, What Do I Need To Know About The Higgs Boson Discovery And Announcement?

He says they are seeing spectrum usage like they have never seen before, mostly driven by data.

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